Brand N/A Model N/A Quantity 1 Color White + purple Bluetooth Version Bluetooth v3.0 Operating Range 10 meter Compatibility v2.1 Microphone Yes Channels 2 Total Power 3W Impedance 2.6ohm Signal to Noise Ratio(SNR) 96dB Sensitivity Radio N/A Supports Music Format MP3 Power Supply Built-in battery Built-in Battery Capacity 500mAh Compatible With All bluetooth devices Other Features Interface: 1 x TF card slot 1 x Mini USB; Supports TF card up to 32GB; Built-in 3.7V / 500mAh lithium battery; Speaker: 40mm 2.6ohm 3.5W; Frequency response: 60Hz~18kHz; Distortion: BQB Certification No Certification CE FCC Packing List 1 x Bluetooth speaker 1 x 1-to-2 USB audio cable (51cm) 1 x Chinese / English user manual