BT-X2

Bluetooth Speaker: V4.2+ERD

Function: phone call，TF card， 
material :ABS
Speaker: Ø40mm，4Ω/3W*1 Bass diaphragm

Frequency Response: 160Hz-18KHz/ 80dB
Product size: 120*80*35mm
Net weight:195g
Battery:  400MAH
Working Time:2-4H