Brand Imarku Model Q3 Quantity 1 Color Black Bluetooth Version 3.0 Operating Range 10 meter Compatibility Bluetooth devices with NFC function Microphone Yes Channels 2 Total Power 6W Impedance 40ohms Signal to Noise Ratio(SNR) >74dBA at 1W Sensitivity 87dB Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 1150mAh / 3.7V Compatible With Samsung HTC LG Motorola Nokia BlackBerry Sony etc. Other Features Interface: Micro USB / 3.5mm AUX; With NFC function; Supports hands-free; Built-in stereo microphone; Noise cancellation processing; High sensitivity touch button: Pause / play volume adjustable; Compatible with Samsung Galaxy Nexus / S3 / Note 1 / Note 2 HTC One X / X+ A320 Sony LT26i / 26w / 22i / MT27i / LT28h / LT30 LG Optimus 4X HD / Optimus LTE2 / Optimus G P940 (Prada3.0) / Optimus Vu1/2 Nexus G MOTO Razr M / Razr i / Razr Maxx HD WP; Samsung ATTV S Nokia Lumia 920 / 820 / 900 / 610 HTC 8X / 8S / WP8 Blackberry 9900 / 9810 / 9360. Certification UL CE FCC Packing List 1 x Bluetooth speaker 1 x USB charging cable (80cm) 1 x 3.5mm audio cable (80cm) 1 x English user manual