BT-X7

Bluetooth Speaker: V5.0+ERD 
Function: phone call，TF card， FM
material :ABS
Speaker: Ø45mm，4Ω/5W*1 Bass diaphragm

Frequency Response: 160Hz-18KHz/ 80dB
Product size: 97*70*43mm
Net weight:132g
Battery: 300MAH
Working Time:4-8H