Smartberry
19S
made in china
Specifications
Model:i9s Input:DC5V
Charging current: 1A Wireless version:5.0+EDR/BLE
Speaker impedance:32
Microponones sensitivity:32Db Frenquency:2.4 GHZ
Battery capacity: 30mAh/300 mAh
Charging time: 1-2 hours
plaing time:2-3hours please charging before using for the first time