Nice for daily use and travel use, suitable for many occasions like watching TV, working, gathering. Itislowin p-ower consumption, high-fidelity, finein quality chip. Enjoy real sound in your life.

Features:
Alternative ear plugs in 4 different sizes are included, made ofcomfortablesilicone material, fits your diverse needs andniceto wear.
Cell powered, compact design,comeswithwirewithoutworryingaboutloss, user-friendly.
8 levelsadjustable volume, you can turn up the volume from low to high to fit diverse use.
Providesyourealsoundforw-onderfulenjoymentandsolvinghearingproblems.
Easytowearandflexibletohandle. Wideapplicationsinm-anyscenes,likelisteningtomusic,enjoyingconcert,h-oldingparty.

Specifications:
Material: silica gel + ABS
Max sound output:1305dB
Sound gain: 585dB
Total harmonicwave distortion: 5%
Equivalent input noise level:30dB
Frequency range: 450-3500Hz
Voltage: DC1.5V
Working current:4mA
Color: As pictures
Battery: 1 * AAA battery, 1.5V, 600mAh (included)
Package size: 100 * 75 * 35mm / 3.9* 2.9 * 1.4inches(Length * Width * Height)
Package weight: 105g / 3.7ounces

Packing List:
1 * Sound Amplifier Host
1 * Hearing Cable
4 * Ear Plug
1 * Cell
1 * Instruction