Features:Built-in microphone function: the music is automatically paused when the call comes in, press the call button lightly to enter the hands-free speakerphone mode, you can chat freely without using your mobile phone. Efficient and stable transmission 10m Bluetooth transmission with high fidelity sound quality shocking sound. Underneath the Wooden shell it offers crisp and powerful streaming Bluetooth sound, good enough to power a dinner party, beach adventure or your own personal listening. Compatible with 99 Bluetooth devices in the market, mobile phones, tablets, computers and other Bluetooth devices. Specification:Frequency response range: 60Hz-15KHzBattery capacity: 1200mahInterface Type: USBBattery:Built-in batteryNote:Actual color may be slightly different from the image due to different monitor and light effect. Package List:1 X Speaker1 X Manual1 X Charging cable