color:

TWS-2

Specifications :

1. Battery: Polymer lithium battery
2. Bluetooth version:5.0
3. Operating voltage: 3.2V-4.2V
4. Sound unit: 8MM moving speakers
5. Impedance: 32CI
6. Speaker sensitivity: 105dB
7. Speaker Bandwidth: 20-20KHz
8. Microphone sensitivity:-42+ -2db
9. Bluetooth frequency: 2.4-2.48GHZ
10. Bluetooth working range: 20 meters
11. Bluetooth protocol: A2DP/ HFP/HSP/AVRCP
12. Eardbud working range: 20M
13. Single earbud calling time: 4 hours
14. Single earbud music time: 6 hours
15. Single earbud standby time: 200 hours
16. Charging Case: 500mAh 
17. Charging times about 5 times for earbuds once fully charged