Bluetooth Version: V5.3

Input: DC 5V/500mA

Driver Diameter: 66mm

Speaker Output: 8W

Battery Type: Lithium-ion 18650

Battery Capacity: 3.7V/2200mAh

Operating Distance: 10m

TF Card/ USB Flash Max Capacity Supported: 64Gb

Music Format Supported: MP3/MP4

Total Charging Time: 3-4 Hours

Total Playtime: 2-3 Hours