Output: 3.0W
Input:

L/R: 320mV
S/N: over 80dB

Amp frequency range: 20Hz-15kHz
Battery capacity: 450mAh
Charging voltage: 5V
Charging time: 2.5 hours
Lasting time: 4 hours
Features:

Compatible with any Bluetooth option devices
Genuine high-quality stereo sound
Connect up to 10 meters distance
Delicate and easy to carry
Aluminum alloy made, bright appearance and exquisite craft
Quality is to be completely satisfied with general audio-visual needs