Wireless Bluetooth Speaker Microphone U Disk Combination

Product name: wireless bluetooth speaker microphone U disk combinationColour: BlackConnection method: 3.5MM wired, Bluetooth connection, USBSpeaker size: 19cm high, 11cm wide, 13cm longProduct type: portable speakers, microphones, USB flash drivesFeatures: card can be inserted, microphone can be connected, voice prompt, payment broadcast, FM radio, support multiple audio output interfaceWith or without display: without screenSpeaker size: 4 inchesLife time: 4-6 hoursSpeaker unit: single speakerBluetooth version: Bluetooth 4.2U disk function: U disk built-in songsSpeaker button operation:1. Power switch2. Mode:Single press: FM and Bluetooth switchDouble press: Pause playback3. Previous song/lower volume4. Pause playback5. Next song / increase volumeProduct name: wireless bluetooth speaker microphone U disk combinationColour: BlackConnection method: 3.5MM wired, Bluetooth connection, USBSpeaker size: 19cm high, 11cm wide, 13cm longProduct type: portable speakers, microphones, USB flash drivesFeatures: card can be inserted, microphone can be connected, voice prompt, payment broadcast, FM radio, support multiple audio output interfaceWith or without display: without screenSpeaker size: 4 inchesLife time: 4-6 hoursSpeaker unit: single speakerBluetooth version: Bluetooth 4.2U disk function: U disk built-in songsSpeaker button operation:1. Power switch2. Mode:Single press: FM and Bluetooth switchDouble press: Pause playback3. Previous song/lower volume4. Pause playback5. Next song / increase volumeProduct name: wireless bluetooth speaker microphone U disk combinationColour: BlackConnection method: 3.5MM wired, Bluetooth connection, USBSpeaker size: 19cm high, 11cm wide, 13cm longProduct type: portable speakers, microphones, USB flash drivesFeatures: card can be inserted, microphone can be connected, voice prompt, payment broadcast, FM radio, support multiple audio output interfaceWith or without display: without screenSpeaker size: 4 inchesLife time: 4-6 hoursSpeaker unit: single speakerBluetooth version: Bluetooth 4.2U disk function: U disk built-in songsSpeaker button operation:1. Power switch2. Mode:Single press: FM and Bluetooth switchDouble press: Pause playback3. Previous song/lower volume4. Pause playback5. Next song / increase volume