Description: Single headset clear sound quality and high-fidelity stereo, 180-degree rotation fits both left and right ear. 5.2: Wireless paring with your device about 10 meters, featured with microphone, support music and connection. Strictly fitted IPX7 waterproof and sweat-proof, suit for left and right ear. Intelligent compatibility: Support all mobile phones or tablet notebook device which is with compatible function. Switch to listen to songs and calls at any time. Features: Voice prompt function, Support phone call and answer, music play, voice control, fit for outdoor or indoor activities, such as running, hiking, bicycling, etc. Long-Lasting Battery Life: The headphone build in 300mAh lithium battery and LED screen power display, only needs 2 hours of fast charging, the continuous call or music playback time can reach 68 hours. Specification: : 5.2 Distance: about 10m Headphone Battery: 300MAH Listening to Songs/Talk Time: about 68h Charging Time: about 2h Material: ABS Frequency: 20Hz-20KHz Impedance: 32 ohms Sensitivity: 85dB/mW Waterproof Rating: IPX7 Size Chart: Size: approx. 60x21mm/2.36x0.83inch Package Includes: 1 Piece Charging Cable 1 Piece Manual 1 Pair Ear Covers 1 Piece earphone(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!