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
