Magic loudspeaker system design, amazing dual power built-in low-frequency amplifier design, medium and low-frequency more shocking, with better sound quality performance Symphony LED lights with a variety of flashing modes, the lights can flash with the music melody It supports the handsfree call function, and has a built-in high-sensitivity microphone, so that mobile phone calls can enjoy extremely smooth calls Support MP3 decoding of music playing on U disk and TF card, and support full rate playback of MP3 format TWS function, you can connect two speakers with one phone sync Built-in FM radio module, which can automatically search and store radio stations, saving time and effort support AUX audio input, providing you with computer speaker function Specifications: Bluetooth version: V5.3 Wireless transmission range: 10M Audio performance to noise ratio: andge 90db Battery capacity: 1200mAh Built-in voltage: 3.7V Normal volume playing: 3H-4H Speaker size: andPhi 45MM x 2 Horn power: 4andOmega or 5W 2 Frequency response: 120HZ-20KHZ Product size: 186.6 x 75.3 x 73.8mm Product weight: 407g