Brand iPega Model PG-I5033 Quantity 1 Color Black Bluetooth Version 4.0 Operating Range 10 meter Compatibility V3.0 / V2.1 / V2.0 Microphone Yes Channels 2 Total Power 5W Impedance 4 Signal to Noise Ratio(SNR) 80db Sensitivity NO Radio N/A Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 1000mAh Compatible With Ipod / Iphone / Ipad and the majority of Bluetooth stereo spported phones MP3 MP4 etc BQB Certification No Other Features Frequency response: 20Hz ~ 20KHz; Input voltage / current: DC 5V 500mA; Built-in microphone which can support to mobile voice calls (available through the Play / Pause button to answer and hang up the calls) With Six functional operation including audio switch play / pause volume + volume - the last song the next song. Interfaces: mini USB charging port + 3.5mm audio port Packing List 1 x Bluetooth Speaker 1 x Audio cable (42cm) 1 x USB cable (120cm) 1 x English & Chinese Manual