Samsung SGH-M819N Cell Phone Synergy Digital SDEBS-007 Portable Wireless Bluetooth Speaker With Built-in Microphone & 4 Hour Rechargeable Internal Battery (Black) - For Cellphones and Other Bluetooth Enabled Devices Incredible sound quality in such a small speaker - Wireless connection up to 30 feet away 3 connection modes: Bluetooth wireless, AUX Line-in, Micro-SD/TF Card Will work with all your Bluetooth enabled smart phones, tablets and much more With the built in HQ Mic you can make and receive phone calls User guide, 2 in 1 USB charging and Audio 3.5m cable included