Features:
LED colorful lights flashing, Bluetooth wireless player, FM radio, speakerphone, AUX audio input, TF card.
Bluetooth version: Bluetooth 2.1
Speaker: A brand new 40mm
Power: 4\u03a9 3W
Material: ABS shell.
Adjustment method: Press.
Operating voltage DC3.7V-4.2V
Power supply: high quality A new double protection lithium battery (3.7V 400 mA)
Play time: medium volume 2-3 hours or so
Charge time: 2 hours
Charging voltage: limit voltage DC5V
Impulse current: DC500-1000MA
Signal to noise ratio:> 80DB
Distortion rate: <0.5% @ (1KHz)
Frequency: 90Hz-20KHz
Carton size: 33 * 33 * 32.5cm
Package:1 x mini speaker