Loudspeaker--Black

Description:
Shell material: Aluminum alloy
Base material: PVC
Sound track: 2.0
Function: Call function, TWS pair, TWS 1-drag-2 interconnection function
Interface type: USB
Effective distance: 10cm
Power: DC-5V
Power: 4W
Battery: 400mAh
Power supply: Built-in lithium battery
Bluetooth: 4.2, smart compatible with Android/ iphone mobile phone
Play time: About 3 hours
Speakers quantity: 1
Speaker power: 3W
Operation mode: Press
Play format: MP3, WMA
Speaker adjustment method: Button
Signal to noise ratio:> 75dB
Distortion (THD): <1%
Frequency response range: 100HZ-20KHZ
Product Size: Machine 5 * 3.1cm, charging cable length: about 22cm, lanyard total length: about 8cm