* Type Bluetooth Speaker
*Connection method Bluetooth connection
*Interface type USB
*Battery capacity 4000
*Frequency response range 50HZ-50HZ
*Output power 5v-1A
*Signal to noise ratio ≥75dB
*Power supply mode Built-in lithium battery
*Channel 2.1 Playback time 10
*Extended storage 32GB
*Bluetooth protocol 4.2
*Number of speakers 2
* Effective distance 10 meters
*Features Voice prompt, card, call function
*Operation mode
*Applicable people General
*Shell material plastic
*Support format SD card
* Speaker adjustment mode
*Box material metal
* Appearance size 16*98*80MM