[The appearance is higher, the sound is more pleasant] Big speaker bass is more shocking (This version is an enhanced version of wireless bluetooth + microphone function) It has high appearance, more powerful performance, powerful function, and full compatibility. One is better than N. BLUETOOTH, Bluetooth connection, U disk playback, FM radio, hands-free call [Viper sound effect, full tone] The sound quality is lossless, the tone is full, and the music is amazing. [Upgrade Bluetooth 50, longer connection distance] Bluetooth 5.0 version, 10 meters wireless connection, more stable, faster and farther.Function: Card Insertion, Radio, Call FunctionType: Bluetooth SpeakerConnection Method: Bluetooth ConnectionInterface Type: UsbFrequency Range: 100Hz-20KhzOutput Power: 5WSignal-To-Noise Ratio: 75DbPower Supply Mode: Built-In Lithium BatteryChannel: 1Playing Time: 2-4HExtended Storage: 32GbBluetooth Protocol: 5.0Number Of Speakers: 1Effective Distance: 10 MetersOperation Method: ButtonApplicable People: GeneralDisplay Screen: NonePlayback Format: Mp3Shell Material: PlasticSupport App Or Not: NoSupported Format: U Disk. Tf CardSpeaker Adjustable Mode: ButtonWith Or Without Radio Function: YesBox Material: PlasticAppearance Size: 130*90 * 210MmProduct Weight: 0.6(Kg)Item No.: Wooden BoxForeign Trade Or Not: NoPower Type: UsbBattery Capacity: 1200Buyers?Tips!!Because?every?customer?is?very?important?to?me,?I?attach?great?importance?to?it!?So?please?don't?give?the?evaluation?below?4?stars?at?will.thank?you?!!!Buyers?Tips!!Because?every?customer?is?very?important?to?me,?I?attach?great?importance?to?it!?So?please?don't?give?the?evaluation?below?4?stars?at?will.thank?you?!!!