Feature:
1. Latest Bluetooth V5.0 Technology.
2. International Brand CSR Chips.
3. Long-term use of high-capacity batteries.
4. Using CVC8.0 noise reduction technology.
5. Single earphone can't charge mobile phone.
6. Both earphones can charge the cell phone.
7. Designed for sport, wearing sturdy clothes.
8. Subwoofer stereo.
9. High Definition Microphone Support Call.
10. TWS F9 Fashion Bluetooth Sports Headset.
11. With Digital Display Function.

Specification:
Model: F9-5
Resistance: 32Ω
Frequency response range: 20-20000Hz
Sensitivity: 108±3dB
Bluetooth version: Bluetooth 5.0 + EDR
Connection Distance: 10m
Headphone protocol support: A2DP/HFP/HSP/AVRCP
Headphone battery: 60mAh
Charging bin capacity: 1300mAh
Packaging size: 130*115*35mm/5.11*4.52*1.37''
Weight: 120g