Specification:
Left ear color: blue
Right ear color: red
Material: ABS+Silicone
Size: 1.8×1.5×0.9cm
Battery: 1 x button battery. (up to 600 hours of battery life)
Maximum saturated sound pressure level: 115 + 3.
Frequency response range: 300HZ-4500HZ.
Equivalent input noise level: 29dB + 3dB
Total harmonic distortion: 7% + 3%.

Features:
-The earbuds is made of high-grade materials, safe and healthy, which makes you feel at ease.
-Theearbudshas high power, open design and clear sound quality, which can reduce the noise caused by chip and restore natural sound.
-The sound amplifier is easy to operate and can be used without debugging.
-Theearbudsuses a button battery, it can work up to 60 hours and is very long lasting.
– Sound amplifier is mini size, light weight, comfortable to wear, easy to carry.

Caution:
1. Keep the earplugs clean
2. Do not wear it to swim
3. Remove the batteries if not used for a long time
4. When the batteries run out and theearbudsdoes not work properly, you need to buy special A10 batteries for it instead of regular A10 batteries. Ordinary A10 batteries may reduce the working time of the hearing aid
5. Before wearing, please turn the volume to the minimum and gradually increase the volume to avoid the sound suddenly become louder.

Package Included:
Left Ear Side / Right Ear Side:
1x Earbud
1x Matching Battery
1x Instruction Booklet
1x Gift Box
1x Cleaning Brush
1x Screwdriver
5 X Earplugs

One Pair:
2xEarbud
2x Matching Batteries
2x Instruction Manuals
2x Gift Boxes
2x Cleaning Brushes
2x Screwdrivers
10x Ear Plugs