Product Features: - Easy to use - the EasyyAcc Bluetooth Speaker can be used up to 12-15hours with internal battery (normal volume). - Wireless connection up to 8~10m (no wall, door) - Excellent sound quality, aux input (with 3.5mm stereo audio line) - Support: Micro SD Card Playing Rechargeable Battery: Built-in li-lon battery, could be charged via USB cable, a USB charging cable is included Support charging while playing Recharge it from your laptop or desktop PC, or powered USB hub, we highly recommend external battery or Solar Charger,especially in outdoor cookouts, picnics. Search "EasyAcc external battery" or "EasyAcc solar charger" on amazon. Device compatibility Works with all Bluetooth-enabled devices or with 3.5mm audio socket devices(standard headphone jack) - All iPhone, iPods, iPads - All MP3 players, CD players, Laptops, Tablets and Other Music Devices with a 3.5mm audio socket - Android smartphones: HTC, Samsung,Sony Blackberry smartphones etc. Package Included: 1 x Bluetooth Speaker 1 x Micro USB Charging Cable 1 x Audio Cable 1 x User Manual