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36 items
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iPM Faux Snake Skin Replacement Band for Apple Watch - 42mm - Black
1 ×
£26.99
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logitech wingman precision gamepad
1 ×
£29.42
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Gigastone USB C Car Charger 45W/6A Fast Car Charger Adapter, PD3.0 & QC3.0, Dual Port, Super Mini, Compatible with iPhone 15, 14,13,12,11,X,SE,8, Galaxy S23,S22,S21, Note,Pixel, LG,Motorola
1 ×
£18.99
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AIM Compatible Replacement - Dymo Compatible White Large Shipping Labels (2.3in x 4in) (300 Labels) (30256) - Generic
1 ×
£10.99
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Lasko UH250 Top Fill Ultrasonic Humidifier
1 ×
£44.99
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WEIHE 200ml fragrance diffuser, large-capacity essential oil diffuser, flame effect humidifier with no water automatic shutdown protection timer function, suitable for baby room plant office
1 ×
£69.73
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HP 90A LaserJet Toner Cartridge - Black
1 ×
£192.89
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LEVOIT Humidifiers for Bedroom Large Room Home, (6L) Cool Mist Top Fill Essential Oil Diffuser for Baby & Plants, Smart App & Voice Control, Rapid Humidification & Auto Mode - Quiet Sleep Mode, Gray
1 ×
£119.59
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Brother P-Touch PT-D600VP PC-Connectable Label Maker with Color Display and Carry Case
1 ×
£114.70
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Renewgoo Color-Changing Vase Aroma Diffuser Essential Oil Humidifier and Mist Maker, Ultimate Aromatherapy, Therapeutic Calm Relaxation, Wood-Look, Light Brown
1 ×
£16.95
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H2O Wireless $10 Prepaid Code - Pay As You Go (Email Delivery)
1 ×
£10.00
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Brother HL-L8260CDW Business Color Laser Printer, Duplex Printing with Flexible Wireless Networking and Mobile Device Printing
1 ×
£294.99
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Bestier 52" Gaming Desk with Power Outlet & USB Ports, Reversible Small L Shaped Computer Desk with LED Strip & Headset Hooks for Home Office, Carbon Fiber Black
1 ×
£169.99
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Quicken Classic Deluxe - 1 Year Subscription (Windows/Mac) [Key Card]
1 ×
£69.88
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Gigabyte Black GP-FLY 3.5mm Connector Binaural Lightweight Super Bass on-Ear Headset
1 ×
£19.99
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Sunpentown SU-2031 Ultrasonic Humidifier, Polar Bear
1 ×
£34.31
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PurSteam Humidifiers for Large Room & Bedroom, 5L Cool Mist Ultrasonic Whisper-Quiet Oil Diffuser for Baby Nursery and Plants, Humidifying Unit for Whole House, Auto Shut-Off, Up to 20h of Operating
1 ×
£74.58
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Manual Humidifier Control APRILAIRE 4655
1 ×
£44.49
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3.5mm Mic Audio Cable Cord For Bose QuietComfort 3 QC 3 Headphones Replacement
1 ×
£7.99
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3D Printer Filament ABS 1.75mm For Printers and Print Pens 20Colors 10m
1 ×
£27.00
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2Packs 3D Printer Plate Tape Heat Bed Sticker 220x220mm for Creality Ender 3
1 ×
£13.88
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Anti Static Wrist Straps, ESD Components, Stainless Steel Magnetic Tray Grounding Wire Alligator Clip 2.2m 3pcs
1 ×
£14.52
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Anti-Static Keychain Static Shock Eliminator Car Electricity Discharge Remover ESD Keyring, Black Chrome Plated Blue
1 ×
£8.04
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120x120x0.2mm PEI Sheet Polyetherimide Build Surface for 3D Printer Part
1 ×
£9.49
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iPM Modern Stainless Steel Link Band with Butterfly Closure for Apple Watch - 38mm - Gold
1 ×
£39.99
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Silicone Headset/Earpiece Case Protective Cover For AirPods 2nd Generation Earphone (Only Cover, Not included earphone)
1 ×
£6.88
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USB Bluetooth Wireless Transmitters 5.0 Audio Music Stereo Adapter Receiver for PC Bluetooth Speaker Headphone
1 ×
£8.99
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iPM Modern Stainless Steel Link Band with Butterfly Closure for Apple Watch - 38mm - Silver
1 ×
£39.99
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UV Resin Curing Photosensitive Light for SLA 3D Printer/DLP 3D Printer US
1 ×
£38.26
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Smart Watch Charging Dock Portable Wristwatch Charger Base Adapter For Amazfit Stratos 3
1 ×
£10.93
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Portable Smartwatch Charging Dock Wristwatch Charger Base Adapter Data Cord For LG Watch W7 Smartwatch Accessories
1 ×
£13.96
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Satechi USB-C Magnetic Charging Dock [MFi-Certified] Portable Watch Charger - Compatible with Apple Watch Series 5/4/3/2/1
1 ×
£39.99
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iPM Stainless Steel Metal Replacement Link Strap For Apple Watch - 38mm - Gold
1 ×
£33.99
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Miimall 6PCS Replacement Soft Silicone Watchbands for Samsung Gear S3/Soft Silicone Straps for Gear S3 Frontier/S3 Classic, Durable and Sturdy - Multicolor (6 PCS)
1 ×
£31.48
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Brother QL-810W 2.4" Ultra-fast Direct Thermal Label Printer, USB, Wireless (b/g/n), WirelessDirect, Auto Cutter - White/Black
1 ×
£199.99
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CAMPARK 4K Dash Cam 3 Channel 1440P+1080P+1080P Car Camera Driving Recorder with IR Night Vision, Capacitor, Parking Mode, G-Sensor, Support 256GB
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£89.99
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Sennheiser HD4.40 BT Bluetooth Wireless Headphones
£152.95
Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality.. Connectivity Technology: Wireless
Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone.
Up to 25 hour battery life and is supplied with connecting cable for battery-free listening
Compatible with most smartphones & tablets
Learn more about the
Sennheiser Electronic corp. HD4.40 BT
Model
Brand
Sennheiser
Model
HD4.40 BT
Details
Type
Headphone
Color
Black
Frequency Response
18Hz-22KHz
THD
<0.5% (1kHz/100dB)
Input Impedance
18 ohms
Sensitivity
113dB S.P.L. at 1KHz
Ear Coupling
Circumaural
Noise Cancelling
Passive
Wireless Type
Bluetooth 4.0
Microphone
Microphone Frequency Response
100Hz-10KHz
Features
Compatibility
N/A
Features
The Sennheiser HD 4 Series - Let everyday sound great
You can take it with you. Versatile and vibrant, the new HD 4 series offers you the complete Sennheiser quality package in a range of durable, closed-back over-ear headsets that fulfill your everyday aural needs.
HD 4.40 BT Wireless
Great news for music lovers who lead the mobile life. Here comes a headset that brings on all you need and want to enjoy your music on the go: The wireless freedom of movement, the intuitive ease-of-use, the portability, the effortless style. But most of all: The sound, powered by proprietary Sennheiser drivers.
You are listening to well-matured sound
When you love the sound of the HD 4.40 Wireless, that's no coincidence at all. The closed-backed design of this headset is fitted with proprietary Sennheiser drivers that came a long way before being allowed to transmit sound to your ears. So, enjoy their well-balanced, amazingly detailed sound with dynamic bass.
Strong ties that will free you
The HD 4.40 Wireless is about freedom of movement. Thus, no cable. Instead you get the latest wireless technology and audio codec with Bluetooth 4.0 and aptX for reliable transmission and true wireless Hi-Fi sound.
Control is all at your fingertips
Want to take or make a call, change a track, adjust the volume With the intuitive ear-cup mounted controls and the integrated microphones of the HD 4.40 Wireless all this is actually fun. Have a try.
Comfort to make you feel at home - everywhere
The HD 4.40 was made to go places with you - and make these places more pleasurable. With its around-ear design and deep, ergonomically designed ear pads it offers comfort even during extended listening sessions. Its robust foldable headband design that can be easily and compactly stored in the supplied protective case makes for perfect portability.
Additional Information
Date First Available
October 13, 2018
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Reviews (3)
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