Brand Liweek Model B35 Quantity 1 Color Red + black Bluetooth Version Bluetooth v2.1 Operating Range 10 meter Compatibility N/A Microphone No Channels 2 Signal to Noise Ratio(SNR) >78dB Radio FM Radio (76-108MHz) Supports Music Format MP3 WAV WMA Power Supply Built-in Battery Compatible With Cell phone tablet and other audio devices with Bluetooth function BQB Certification Yes Total Power 2W + 2W Built-in Battery Capacity 1050mAh Other Features Listening and enjoy your favorite music on your Bluetooth enable phone Smartphone tablet or other Bluetooth enabled audio device through this rechargeable wireless Bluetooth speaker; Input power: DC 5V / 800mA; Frequency response: 200Hz~20kHz; Distortion: 0.3% 1W 1kHz (DC 3.7V); Supports TF card up to 32GB. Packing List 1 x Speaker 1 x Battery 1 x Data cable (70cm) 1 x Carrying pouch 1 x Chinese user manual