Description

Connection mode: Bluetooth connection
Interface type: USB
Battery capacity: 800mAh
Frequency response range: 100HZ-20KHZ
Output power: 3W*2
Signal-to-noise ratio : greater than 75dB
Lithium battery installed in power supply mode
The playing time: 2-4 hours.
Bluetooth protocol 4
Effective distance: 10 meters.
Function: voice prompt, card, radio, dustproof, call function.
The shell material is plastic.
Support format U disk
Speaker size:  17x 8cm