Brand N/A Model 600 Quantity 1 Color White + grey Bluetooth Version Bluetooth v2.1 + EDR Operating Range 8 meter Compatibility Compatible with Bluetooth v2.0 / v1.1 Microphone Yes Channels 1 Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 350mAh Compatible With Laptop tablet PC Ipad Iphone and cell phones with Bluetooth function Total Power 3W Signal to Noise Ratio(SNR) >=80dB Other Features Interface: TF card slot / Micro USB; Supports TF card up to 32GB; Supports hands-free function; Bass and Hi-Fi sound performance design; Supports A2DP/AVRCP stereo audio transmission remote control protocol; Bluetooth matching PIN: 0000; With volume adjustable play / pause button; Built-in microphone for freely answer phone calls; Charging voltage: DC 5V 500~1000mA; Charging time: About 3 hours; Speaker: 1.5 inch x 1; Frequency response: 100~200kHz; THD: Packing List 1 x Bluetooth speaker 1 x USB cable (60cm) 1 x 3.5mm audio cable (60cm) 1 x Chinese / English user manual