Product description
1. Bluetooth version: Bluetooth v5.0 + EDR
2. Bluetooth use band: 2.4GHz
4. Bluetooth distance: 10-15 meters barrier
5. Frequency response: 20-20000Hz
6. Operating voltage range: 3.0V-4.2V
7. Mic sensitivity: -42dB
8. With A2DP / AVRCP high quality stereo audio transmission and
9. Powerful noise de-noising circuit (active noise reduction)
10. Talk time is about 2-3 hours
11. music time about 2-2.5 hours
12. Standby time is about 100 hours