Speaker & Earphone 2 in 1 design, meeting your demand for listening to music Magic speaker system design, amazing dual-power built-in low-frequency amplifier design, medium and low frequencies are more shocking, with better sound quality performance Using advanced Bluetooth audio decoding chip to support mobile phones, tablets, TVs and other Bluetooth devices Pairing to play music, the Bluetooth transmission distance is greater than 10 meters Supporting 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 playback, MP3 decoding, support full code frequency playback of the MP3 format Automatically searching FM and storing radio stations, built-in FM radio module. Can automatically search and store radio stations, saving time and effort Supporting AUX audio input and providing you with computer speaker functions Supporting TWS series connection function The speaker also can be used as a mobile phone holder Specification: Bluetooth version: 5.0 Size of speaker: 52mm Output: 5W Wireless range: ≤10m Sensitivity: 400mv Charging time: <3 Hours Operate time: 13 Hours Noise-signal ratio: ≥80db Working voltage: DC 5V Battery: 500mAh Size: 98*98*38mm