Brand DOSS Model DS-1189 Quantity 1 Color Red + grey Bluetooth Version Bluetooth v3.0 Operating Range 10 meter Compatibility Various cell phone or audio devices with Bluetooth function Microphone Yes Channels 2 Total Power 1.5W Impedance 6 ohm Signal to Noise Ratio(SNR) 86dB Radio N/A Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity Speaker: 500mAh; Stand: 1020mAh Compatible With Various cell phone or audio devices with Bluetooth function Other Features Intelligent voice indication touch control; Supports Chinese / English talking; Metal appearance durable and practical; Stand wireless charging which can charge for speaker cell phone and any other mobile devices; Stand lithium battery specification: 7V x 1020mAh output DC5V / 800mA; Speaker built-in 3.7V 500mAh battery; Rated power: PO=1.5W; Response frequency: 65Hz~20kHz; Distortion: THD =55dB. BQB Certification Yes Packing List 1 x Speaker 1 x USB cable (34cm) 1 x USB adapter cable (13cm) 1 x 2.5mm to 3.5mm audio cable (33cm)