This is a hearing aid, which is used to amplify the sound under different environments.
The device adopts the digital technology to realize auxiliary listening, it finishes ON/OFF, volume (9 grades) adjustment and modes (4 modes) switch by the buttons. It is powered by a lithium battery, with low-battery indication function, which is used to remind users to charge it in time.
Modes can be switched.
Battery power detection function.
Charging status indication.
Intelligent noise reduction.
Rated working voltage: DC 3.7 V
Battery type: lithium battery
Mushroom-shaped dome（big,medium and small）
slim tube(left /right ear) (Optional)
Double layer open dome,two for each size(big,medium and small) (Optional)
Single layer closed dome,two for each size(big,medium and small) (Optional)
Dimension: 36.2 mm (L) × 8.8 mm (W) × 17.2 mm (H)
Weight: about 4 g