Bluedio U (UFO) Professional Wireless Audio Bluedio U (UFO) is committed to one thing: the superb sound, achieved by Bluedio exclusive PPS8 electro-acoustic technology and the built-in DSP processor. Featured an alloy frame and incredible 25 hours battery life, Bluedio U (UFO) redefines what reference-level wireless audio is all about. Comfortable To Wear Made with soft touch faux-leather cushions, The headphone adapts to your head size and the grip is just perfect to provide passive sound isolation while providing comfort to wear this at your work or home. Lifelike Sound PPS 8 technology does wonders to the fidelity of the music, it makes your music sound clear, detailed and balanced, enables you to experience a full range of sound frequencies. 3D Sound Dramatically enhancing your music doesn't have to be complicated. Simply turn on 3D sound, the sound spaciousness is extended to complete an immersion feeling. PPS 8 Technology Inspired by the physical position of home theater speakers, Bluedio develops PPS8, specially arranges and combines multiple drivers to deliver astounding sound, and make them a patented electroacoustic technology. Impressive Battery Life Bluetooth version 4.1, its low-power technology and the rechargeable lithium-ion battery provide up to 25 hours of continuous, wireless music playback, so you do not have to worry about charging the headphones while you head for your outdoor adventures or camping trips.

Built To Last Crafted from Aluminum-Titanium alloy throughout the frame and ear cups, These headphones last for a long time even with heavy usage. The alloys used are scratch and dent resistant and you can sport the look of new headphones for years.
Specifications Bluetooth version: Bluetooth 4.1
Supported profiles: A2DP, AVRCP, HSP, HFP
Drivers: 50mm x 2; 20mm x 6
Impedance: 32O
SPL: 120 dB
Frequency response: 5Hz -25000Hz
Wireless range: 30ft (no obstructions)
Music time: about 25hours
Charging time: 3 hours for full charge In the box Bluedio U (UFO) Bluetooth headphones Audio cable Micro USB charging cable Manual Carry case with a carabiner