Specification: Bluetooth Version: V2.1+EDR Rated Impedance: 4 Ohm Rated Power: 3W Rated Voltage: DC 5V Frequency response: 3dB RMS: 1.2 W Frequency Scope: 170Hz- 15KHz Power Supply: DC 5V Built-in Li-ion battery Aux in: 3.5mm audio jack Signal to Noise Ratio (SNR) : ≥78dB Size: 115 x115 x 96mm Distortion: ≦10%

• Using Bluetooth 2.1 + EDR technology; transmission distance up to 10 m(about 32 feet)
• It has built-in MIC Bluetooth speaker and hands-free function, so you can conveniently pick up a call by this speaker in car, at home or office, anywhere during it is connected to your smartphone
• You can wirelessly stream audio to the speaker from any Bluetooth-equipped smartphone, tablet and laptop including iPhone, iPad, iPod, or use the included audio cable to connect the speaker to non-Bluetooth devices such as desktop, MP3 player, DVD player, etc
• With rechargeable li-ion battery, the speaker can play for long hours wirelessly; it also comes with a micro USB charging cable and that means it can be charged anywhere.
• With colorful LED flashing lights design, offering you a better visual experience

Using Bluetooth 2.1 + EDR technology; transmission distance up to 10 m(about 32 feet)SabHill