Waterproof Bluetooth Speaker Generation 3

*Type Bluetooth Speaker 
*Connection method Bluetooth connection
 *Battery capacity 1500 
* Frequency response range 100HZ-20KHZ 
*Output power 10W
*Signal to noise ratio ≥75dB 
*Power supply mode Built-in lithium battery
 * Channel 2.1
*Play time 8 hours
*Bluetooth protocol 4.1
 *Number of speakers 2 
* Effective distance 10 meters 
* Operation mode 
* Applicable people General 
Shell material ABS+ cloth 
*Support format U disk +TF