Brand DOSS Model DS-1208 Quantity 1 Color Grey Bluetooth Version 3.0 Operating Range 10 meter Compatibility Various cell phone or audio devices with Bluetooth function Microphone Yes Channels 2 Signal to Noise Ratio(SNR) >/= 86dB Radio N/A Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 500mAh Compatible With Various cell phone or audio devices with Bluetooth function Other Features Interface: Micro USB / 3.5mm / TF slot; Support TF card up to 32GB; Wireless charging; Touch control; 360 degree amplify; Mini size convenient to carry BQB Certification Yes Certification BQID number: B019106 Total Power 3W Packing List 1 x Speaker 1 x USB cable (25cm) 1 x Audio cable (36cm) 1 x Chinese / English manual