Main functions: Bluetooth. Hand free, TF card. USB.FM.AUX Materials: ABS,rubber iron,mesh Bluetooth specification: JL4.2
Transmission distance: 10 meters Speaker size: Ø40mm
Power specification; 4Ω/5W Battery : 1800MAH
Play time: 5.5H
Product size: 70*70*95MM charge time : 4hrs