<b>♫ SUPERIOR HIFI SOUND QUALITY: Double frequency high quality 2*5W trumpets.</b><br> <b>♫ QUICK & EASY PAIR WITH 8 HOUR PLAY POWERFUL WIRELESS SPEAKER</b><br> <b>♫VARIOUS WAYS TO PLAY: Support TF card USB, FM radio, line in, plug and play.</b><br> APE/FLAC/MP3/WMA/WAV format supported <b>♫ FM RADIO & HANDS-FREE</b><br><br> <b>Specification:</b><br> Speaker: Dual 5W Audio Acoustic Driver<br> Bluetooth Range: Up to 33FT / 10 Meters<br> Max Output: 10W<br> Max Play Time: 6-8 hour<br> Charge Time: 3-4 hour<br> Battery Capacity: 2000mAh 3.7V<br> Input: Bluetooth / FM Radio / USB Input / Micro TF/SD Card / Aux 3.5mm Line-In<br> Built-In Microphone: Yes<br> Power supply mode: (USB 5V)power supply.Build-in lithium battery power supply<br><br> <b>About Charging:</b><br> 1. Charging by lithium battery:<br> Connect USB cable with speaker, red indicator shines. After 5 hours, it reach to full capacity.<br> 2. Lithium battery safeguard:<br> Please charge inner lithium battery once if speakers does not work for long time within two to three months, in aviod of battery autistic or battery leakage problems.<br><br> <b>What is in the box :</b><br> Portable Wireless Speaker x 1<br> USB Charge Cable x 1<br> AUX 3.5 mm Audio Cable x 1<br> User Manual x 1<br><br> <b>★NOTICE:</b><br> You can plug audio cable to get better signal when using FM radio. The wall plug is not included in the package, any normal USB plug is suitable for connecting.<br> The speaker screen have a film, keeping the film is better to protect your LED screen from scratched.<br><br> ☎24h friendly customer service and email support . Please feel free to contact me if you have further questions, we will try our best to solve your problem as soon as possible.