Awei A883BL Wireless bluetooth Earphone IPX4 Waterproof Sports Outdoors Headphone Earbuds with Mic

Specification: bluetooth version: CSR4.1 Channel system: stereo (binaural) Battery capacity: 130mAh Drive unit: about 10mm/0.39'' Product weight: about 24.1g Single product with package gross weight: about 212g Product color: black/grey/gold Charging time: 2 hours Talk time: 10 hours Music playback time: 8 hours Supported agreement: HSP/HFP/A2DP/AVRCP/APT-X/CVC Input charging standard: DC, 5V bluetooth operating frequency: 2.400GH-z-2.480GH-z Best call distance:1M Maximum transmission distance: 10M Voice prompt: support Multi-point connection: support Wearing style: behind-the-neck style Manual: Chinese and English manual Accessories: USB charging cable, manual, small and large earbuds Features: 1. Behind-the-neck wireless sports bluetooth earphones 2. Automatic conversion between call and music, previous/ next track selection, play/pause 3. Stereo high-quality listening music listening astounding deep bass effect, clear call 4. Support one for two function, call rejection function 5. Support operation voice (Chinese/English) prompt function 6. Large battery capacity, low power consumption, long battery life 7. Support IOS system power display 8. Intelligent noise reduction version CVC6.0 9.5.1 sound channel with surround sound (trial soundtrack: Tsai Chin "ferry") 10. Support NFC function, waterproof IPX4 Package included: 1 x Awei bluetooth Earphone 1 x Charging Cable