bluetooth Speaker Stereo Subwoofer Support TF Card USB AUX FM Radio For Tablet Smartphone

Specifications: Color:Red/Green/Blue/Grey/Orange Material: Plastic Size: Approx. 20.5 * 6.3 * 4.3 cm / 8.1 * 2.5 * 1.7 inch bluetooth Version: 4.0 Transmission Distance: About 10m Speaker: Dual Speaker 40mm 4 3W*2 Battery: 1800mAh Buttons: Previous Song, Next Song, Pause / Play, Mode Switch, Call Interface: USB, Micro USB Charging Port, AUX, TF Card Slot Power Switch: ON/OFF Music Formats: WAV, MP3 Support: FM Radio, Hands-free Call, TF Card, USB Disk, AUX Input Charging Time: About 3-5h (full charge) Play Time: About 2h (at maximum volume) SNR: 80dB Distortion: