Brand N/A Model KB-16 Quantity 1 Color Black + blue Bluetooth Version V3.0 Operating Range 10 meter Compatibility V2.1 or higher version Microphone Yes Channels 2 Total Power 3W Impedance 4 ohm Signal to Noise Ratio(SNR) Sensitivity 80 +/- 2db Radio No Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity Lithium battery 500mAh Compatible With Iphone and other music devices with Bluetooth Other Features Support TF card (not included) maximum 16GB; Providing more music options. Combined with wireless Bluetooth communication realizing talk hands-free function it provides a perfect combination of music and talk to the user. BQB Certification No Packing List 1 x Speaker 1 x USB cable (67cm) 1 x AUX cable (43cm) 1 x English user manual