Frisby FS-P135B Mini Portable Rechargeable Hands Free, Wireless, iPhone Samsung Galaxy Bluetooth Speaker with SD TF USB Audio Inputs Portable Bluetooth speaker system, you can play music via Bluetooth or audio cable Offers a wireless connection range of 10 meters (33 feet) Bluetooth 2.1 edr +csr with microphone for cell phones, built-in rechargeable battery (charge from usb) Micro-sd slot & USB slot for MP3 format music with earphone output Supports laptop, pc, mp3/mp4 player, mobile phone, apple's iPhone, USB and tf card