1、Excellent sound quality, bass sound, enjoy music anytime, anywhere. 2、Portable Bluetooth speaker with built-in Bluetooth 0 wireless transmission, working distance up to 10 meters. 3、Support FM automatic search channel. 4、Answer the call (with a microphone) and support hands-free when answering the call. 5、You can also use it to listen to music, radio and other voice messages. Features: Excellent sound quality, bass sound, enjoy music anytime, anywhere. Portable Bluetooth speaker with built-in Bluetooth 4.0 wireless transmission, working distance up to 10 meters. Support FM automatic search channel. Answer the call (with a microphone) and support hands-free when answering the call. You can also use it to listen to music, radio and other voice messages. Specification: Material: Plastic Bluetooth version: V 4.0 Frequency response: 20Hz-20KHz Signal to noise ratio: > 80db AC power input: 5V / 1A Battery: 1500mAh Play time: 3-6 hours Output frequency: 5W Impedance: 4 ohms Distortion: <1% Effective distance: <10 meters Features: multiple uses, retro design, speakers Size: Approx. 8 * 8 * 16cm / 3.15 * 3.15 * 6.3inch Package weight: Approx. 385 g Package list: 1 * Speaker 1 * Instruction Manual 1 * Audio Cable 1 * USB Cable