Features: 1. Adopt 4 times anti-noise technology 2. Support Headset Profile, Handfree Profile 3. With redial the last call number, refuse to answer, adjustable volume and other functions 4. Adopt Bluetooth 5.0 technology, the connection is simpler and faster, the sound quality is clear, and anti-interference 5. Realize online chat through Bluetooth wireless transmitter 6. Head-mounted headset design, more convenient to use, better call effect
Product parameters: 1. Material: ABS 2. Bluetooth version: 5.0 3. Transmission range: 10 meters 4. Function: noise reduction, ultra-long battery life, call function, support music 5. Frequency: 2402MHz-2480MHz 6. Microphone sensitivity: -45dB (0dB=1V/Pa, ??1KHz) 7. Working voltage: 3.3-4.2V 8. Charging voltage: 5V 9. Charging current: 80mA 10. Single or double ear: single-sided hands-free 11. Battery capacity: 180mAh lithium battery 12. Talk time: about 13 hours 13. Standby time: about 220 hours 14. Charging time: less than 2 hours 15. Waterproof performance: IPX4
