Mobile phone docking station Bluetooth Receiver/Transmitter Earphone/Headphone Portable Battery VR Headset

SP-004 sport speaker

Model No.: sport spea

Item No.SP-004

2£©Frequency response:50Hz~20KHz   
3) Input Voltage:DC 5V   
4) Can read TF card   
5) Buit-in Battery:Lithium-in Battery   
6) Can link to computer and down load file in to the TF card directly   
7) Case material: Metal