Project 2 in 1. This is not only a remote control, but also a smartphone case. The constant transmission distance is 10m. Suitable for smartphones with Type-C ports. Download the control app. It supports thousands of household appliances such as TVs, DVD players, air conditioners, etc. The compact design makes it easy to carry around. Put the key on and take it out. Support ZAZA remote app, ZAZA remote control, ZAZA Uni TV remote control, Mi smart controller, etc. - Material: aluminum alloy silicone - Transmission range: 10m - Application: suitable for ZaZa Remote Using the method: 1. Search and download the app. (Fits Zaza remote control) 2. Insert the infrared probe into the port on your mobile phone. 3. Flip the phone to point the remote at the device . 4. Add the remote to the app and select the appropriate device type and brand. Point infrared at the device. Package Weight: 0,045 kg Product Size (L x W x H): 6,00 x 1,40 x 0,80 cm / 2,36 x 0,55 x 0,31 inches Package Size (L x W x H): 15,80 x 6,90 x 1,70 cm / 6,22 x 2,72 x 0,67 inches Package Contents: 1 x Smartphone Remote Control, 1 x English and Chinese Manual