Products Speicfication:
Bluetooth Version:BK/4.0 & JR V2.1+EDR
Connection :Bluetooth/USB Flash card /TF card/AUX
Charging Voltage:5V Output Power:5W
Working Current:500MA Capacity:2000Mah
Battery :18650 Li-ion Material:ABS+Silicone
Input/output:5V/1A Frequency range:2.40G-2.480GHZ
Transfer distance:10M Charging Time:2H
Working Time:8H(60% Volume) Reality lose rate:<3%
Colors:Green, orange, yellow, blue