Features:
Pocket size, with a stainless steel case
3.5mm earphone music input jack, supports all music players with line-out or headphone output!
Electronic volume control, no noise during volume adjustment
Power supply switch
Uses digital amplifier IC, best sound quality with high power efficiency
28mm neodymium magnet micro driver speakers
3 types of power supply: 2 AAA Batteries, USB, AC power adapter;
Specifications:
Output power: 10 W + 10 W (PMPO)
1.2W + 1.2W (RMS, THD=10%)
Distortion: <0.8% (1kHz, 0.5W)
S/N ratio: >75dB (A-Weight)
Frequency response: 250Hz-20kHz
Input Sensitivity: <400mV
Power supply: 2 off AAA batteries , USB power , AC adapter
Dimensions: 111mm(L) * 59mm(W) * 16.8mm(D)
Weight: 88g