ModelSB08ET94-666444307591 Portable Wireless Bluetooth Stereo SD Card FM Speaker For Smartphone Tablet Laptop Selling point: 100% brand new quality Portable speakers are mainly made of ABS environmentally friendly plastics, which are durable and impact resistant. The compact size and convenient braided ring make it easy for you to get high-quality sound on the go. Widely support Bluetooth/USB/TF card, with FM radio function. Very suitable for use in the kitchen, dormitory, car, bathroom and next-door gatherings, suitable for camping trips, travel, hiking, etc. Feature: 100% Brand new and high quality Bluetooth specification:V3.0+EDR Frequency Response 150-1800HZ Output power RMS 3W THD 10% FM frequency range 87.5-108mhz Built-in rechargeable battery 5V/400mA SNR 90DB Speaker 1.58inches(external diameter 40mm)40hm*2 Bluetooth connection distance 25M Whit- the hands -free function Multi-fuction: support bluetooth/ USB/ SD Card /FM Model size110x38x53mm Method of use: Open the Bluetooth mobile phone or computer Search Bluetooth headset signal, in accordance with the instructions of the link Other detailed functional use, please debug instructions Package Content: 1 X Bluetooth Speaker 1 X USB Charging Cable