JumboAudio Portable Mini Wireless Bluetooth Speaker with Metal Housing TF Card Playing and Built-in Microphone (Black) Type: Bluetooth Portable Speaker Noise Reduction: distortion Operating Range: 32 Feet Bluetooth Version: 3.0 Bluetooth Profile: A2DP & AVRCP Battery: 520mAh Specifications: AUX Input Plug; S/N:95Db Compatibility: iPhone, iPod, Samsung Galaxy, MP3/MP4, PC and all other Bluetooth Devices