1. Material: Acrylic
2. Function: call function, music
3. Bluetooth version: 5.0
4. Transmission range: 10 meters
5. Bluetooth battery: 180mAh lithium battery
6. Made of acrylic fiber, comfortable and elastic, soft to the touch, not easy to pilling
7. Stereo tone effect, HIFI high-definition sound quality, bring music enjoyment
8. Bluetooth detachable design, easy to clean
9. The volume can be adjusted by itself, easy to use
10. Voice communication within ten meters is not affected by signal
11. Weight: about 60 grams
