1. Material: ABS, silicone, electronic components
2. Functions: digital hearing aids, Bluetooth calls, music playback
3. Bluetooth version: 5.2
4. Distance: 10-15 meters
5. Channel: Stereo
6. Built-in battery: 400mAh lithium battery
7. Battery life: 45 hours
8. Standby time: 180 days
9. Wearing method: hanging neck
10. Operation mode: button
11. Automatically turn on the hearing aid function after booting, no need to debug
12. Ergonomic design, soft silicone earplugs, more comfortable to wear
13. Type-C charging port, more convenient to use
14. LED light power display, observe the power status at any time