Magic speaker system design, amazing dual-power built-in bass radiator, the mid-low frequency is more shocking, with better sound quality performance Adopting advanced Bluetooth audio decoding chip to support pairing and playing music with Bluetooth devices such as mobile phones, tablets, TVs, etc.; Bluetooth transmission distance is greater than 10 meters Support hands-free call function, built-in high-sensitivity microphone, so that mobile phone calls have an extremely smooth call enjoyment Support U disk and TF card music playback MP3 decoding, support full bit rate playback of MP3 format FM automatic search and storage of radio stations. Built-in FM radio module can automatically search and store radio stations, saving time and effort Support AUX audio input, provide you with computer speaker function Built-in Low-freq radiators. Super dynamic low-frequency sound pressure gain, excellent sound quality Specification: Bluetooth version: V5.0 Wireless transmission range: 10m Audio noise ratio: 95db Battery capacity: 1200 mAh Built-in voltage: 3.7v Normal volume playback: 4 hours to 8 hours Speaker specifications: 45mm * 2 Speaker power: 4Ω/ 5w * 2 Frequency response: 100 Hz-20KHz Product size: 70*70*162mm Net Weight: 338g