Model No.: AJ003
Product size: 170 x 172 x 30mm
USD7.5/pc for MOQ1000pcs

Specification: 
BT version: 5.0
Charging time: 2-3hours  
Playback time: 6hours 
Standby Time: 180hours
BT distance: 10Meters (100square meter)
TF Card play  
Aux Input  
Battery Capacity: 500MAH