item specification Battery Capacity: 500Amh Type: Round Shape LED Set Up: Bluetooth Model / TF-Card Dimension: 58*58*52mm Bluetooth Version: V2.1 Rated Charging Voltage: DC 5V Bluetooth Work Range: 10 Meters Lasting Working Time: 2 Hours Support TF Memory Card the Max Storage 32G with Format Fax 32 bit Package Info: One Bluetooth Speaker with Charge Cord Description Different Colors Cover , it looks very exquisite; Music Lamp Working with different colors Changing, Nice Look When It Working In The Night.; Rechargeable Battery via Micro Charging port . Support USB Storage Devices and TF Cards input. Built-in Mic , Earphone Jack, it can be worked the same as normal music player. Supper Bass,HI-FI, Help You Enjoy Your High Quality Music. Fashion Round Design , Portable Device for Your Travel or Outdoor.