Bluetooth speaker

Portable wireless Bluetooth speaker stereo speaker music player subwoofer sound box support sd card I flash drive fm for smart phone and tablet , laptop description Portable Wireless Bluetooth Stereo SD Card FM Speaker For Smartphone Tablet Laptop Feature: Colors: Grey,Blue,Red,Green Bluetooth specification:V4.0+EDR SNR ≥90DB Built-in rechargeable battery: 200/400mA Speaker 1.58inches(external diameter 40mm)40hm*2 Bluetooth connection distance ≥25M whit the hands -free function FM frequency range 87.5-108mhz Multi-fuction: support bluetooth/ USB/ SD Card /FM Output power RMS 3W THD 10% 100% Brand new and high quality Frequency Response 150-1800HZ Model size：110x38x53mm Method of use: Search Bluetooth headset signal, in accordance with the instructions of the link Open the Bluetooth mobile phone or computer Other detailed functional use, please debug instructions Package Content: 1 X Bluetooth Speaker 1 X USB Charging Cable