1.This Bluetooth converter allows you to connect external keyboard and mouse to your phone or tablet. 2.Two Models Of Headphone Jacks 3.5mm + Type-C Headphone Jack Suitable For Different Headphone Wear Headphone To Enjoy 360 Surround Sound 3.Made of high quality ABS material, Bluetooth wireless connection has strong signal and stable performance. 4.Plug and play, compatible with most phones and tablets only for Android systems. 5.Wired connection Light speed transmission, no delay and no lag 6.Official macro definition, one-key function in place, automatic pressure , intelligent recognition of pressure posture : Type: Bluetooth Mouse Keyboard Adapter Connection : Android Bluetooth|Android Wired Features: Portable, Easy Connection, Plug and Play Note: Android chip series phones are not supported yet colour:black Material:plastic size:85 x 72 x 19mm Package Contents: 1 x Bluetooth Gaming Keyboard Mouse Converter Adapter 1 x Charging Cable 1 x USB-C to USB-C Cable Only the above package content, other products are not included. Note: Light 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.