1. Wireless bluetooth operation, wireless and no clutter, two power supply modes are optional, and the built-in -capacity lithium battery power supply is convenient to save power and easier to use 2. The portable screen device benefits from the new wireless bluetooth connection sliding screen , which can the shackles of wires and greatly reduce the size of the screen device. It can be put into pockets and bags, and can be used anytime, anywhere 3.5V low-power supply power supply supports charging while using the upgraded chip Low power consumption, low heat generation, power bank, etc. can be powered by super power saving, can work 24 hours without interruption 4. Connect six devices at the same time. The wireless sliding screen supports six devices in one machine, and the six devices slide at the same time, which greatly improves the efficiency of 7X24 hours of uninterrupted work. 5. Wireless silent sliding screen Bluetooth connection bid farewell to traditional motor Bluetooth cursor physical reality sliding screen silent silent does not hurt the screen, no clutter, long battery life, long service life Product Model: U10 Slider Bluetooth type: 4.0 Material: ABS Colour: Black Communication distance: 10m Material: plastic Specification: A Package Contents: 1 x host 2 x screen refresh head 1 x charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.