16-Channel Neck-Worn Bluetooth Hearing Aid Headphones Portable Sound Amplifier(Black)

1. 16-channel digital audio with WDRC dynamic compression technology locks onto the normal hearing range, compensating for missing sound components
2. High-definition audio synchronous transmission employs directional transmission for zero-delay, rapid transfer
3. Dual-mode design as both hearing aid and Bluetooth headset allows switching to wireless Bluetooth mode for connecting to smartphones, enabling music listening and call functionality
4. Long-lasting battery endurance for worry-free use
5. Volume memory design for ease of use. Power on with 5-level volume adjustment; intelligent auto-memory retains settings for next use
6. Neckband design ensures comfortable, secure fit for extended wear
7. Type-C charging port for rapid charging
8. Four noise reduction modes with simple switching

Specifications
1. Battery capacity: 200mAh
2. Volume settings: 8 levels
3. Charging port: Type-C
4. Battery life: standby time over 150 hours
5. Headphone mode: up to 20 hours playback (at maximum volume)
6. Bluetooth mode: up to 20 hours playback (at 50% volume)