Description: Single bluetooth headset clear sound quality and high-fidelity stereo, 180-degree rotation fits both left and right ear. Bluetooth 5.2: Wireless paring with your device about 10 meters, featured with microphone, support music and bluetooth 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 Bluetooth-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. And the charging box with 2200mAh battery, can be used for charging for the phone. Specification: Bluetooth: 5.2 Bluetooth 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 Charging Box: 2200mAh Size Chart: Earphone Size: approx. 60x21mm/2.36x0.83inch Package Includes: 1 Piece Charging Cable 1 Piece Manual 1 Pair Ear Covers 1 Piece Bluetooth earphone 1 Piece Charging Box 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!