3D HiFi bluetooth speaker with TF card slot power bank handsfree

Description 1. Main Features: 1. Bluetooth music player 2. Support 32G TF card music play3. Touch Panel4. 3.5mm stereo jack can connect Audio player 5. With power bank function, can charge to mobile device. 6. We provide 6 months warranty, please refer to our return policies.  2. Specification:  Bluetooth version:4.0+EDR Battery:  4000mAh Music time:20HBluetooth chip:BK3515+JLAC4602 Charge voltage:DC5V/1ASpeaker:4Ω 3w Φ40mmTransmission distance:10MFrequency response: 20Hz-20KHzOutpower: 3WS/N:≥90dB Working voltage:3.7VDistortion:≤1%Talking time:10HStandby time:>30daysCharge time:5h Download DownloadFile