Single Ear 4.2 Bluetooth Headset Stereo HIFI Sports Wireless Bluetooth Headset(A1 Black)

1. Bluetooth version: 4.22. Operating range: about 10m3. Battery capacity: 300mAh4. Talk time: about 30H5. Music time: about 12H6. Function: intelligent noise reduction, music pause/play, intelligent number reporting7. Charging port: Micro USB8. Size: about 51x13x8mm9. Weight: about 8.1 gramsFeatures:1. Long standby time, easy to use2. Panoramic sound effect, enhance the sense of space of sound, surround sound effect3. One-key operation, simple and convenient, play/pause, power on/off, answer/hang up4. IPX3 waterproof and sweatproof, fast connection, stable and not easy to disconnect5. Titanium-plated composite diaphragm, rich bass and delicate treble6. Using DSP digital model to process noise reduction, effectively reduce wind noise and ambient background noise7. Lightweight and portable, comfortable to wear, stable and not easy to fall off