Features: colorful lights flashing LED, Bluetooth wireless broadcast, FM radio, hands-free calls, AUX audio input, U disk, SD card, headset jack output.
<br />Bluetooth version: Bluetooth Bluetooth 2.1
<br />Speaker: A, brand new 40mm
<br />Power: 4 3W
<br />Material: ABS shell.
<br />Mode of adjustment: press key.
<br />Operating voltage DC3.7V-4.2V
<br />Power supply mode: high quality A product, new double protection lithium battery (3.7V 400 MA)
<br />Playing time: medium volume, 2-3 hours or so
<br />Flushing time: 2 hours
<br />Charging voltage: limiting voltage DC5V
<br />Charging current: DC500-1000MA
<br />SNR: > 80DB
<br />Distortion rate: < 0.5%@ (1KHz)
<br />Frequency: 90Hz-20KHz
<br />Outer case size: 33*33*32.5cm
<br />Package Content: 1 X Bluetooth Speaker