product description：

RECHARGEABLE - Rechargeable, with a portable, magnetic charging station. The built-in high performance Li-on battery enables each charge to last 20 hours for use.

PORTABLE CHARGING CASE - The charger has it's own battery which allows you to charge the device on the go. It will provide an additional 3 times to recharge before needing to reconnect to a power source.

Support wireless charger.

1.8 Channels &12 Bands

2.Intelligent Noise Reduction System(18 DB)

3.Automatic Feedback Compression DFS System

4.Program Switch Beep

5.Secondary Strong Sound Block

6.Multi-channel Expansion(8 Channels)

7.Three Programs /3 scene switching

8.Intelligent Frequency Spectrum Analysis System

9.Intelligent Volume Learning

10.Program/Volume Recording

11.Soft Shutdown

12.8 Channel Maximum Output Control

13. Pre-programmed Type(best fitting based on the audiogram)

14.Level 4 Intermediate Wind Noise Suppression Management System