Bluetooth Speaker: V4.2 + EDR

Function: phone call，Music,TF card，USB Flash, FM
material: ABS
Distance: 10meter
Speaker: Ø45mm，4Ω/3W*1
Frequency Response: 90Hz-20K/ 60db
Battery:  400mAh
working time: 2-4H
Product size: 111*61*78mm
Net Weight: 197g