NEEWER M4C is a magnetic phone selfie monitor designed to enhance selfie and video quality by allowing you to use the rear camera for front facing shots. It enables easy frame checking and posture adjustment for more natural, satisfying results. Magnetically attached to phones, the monitor features three USB C ports for screen mirroring (supports smartphones with DP protocol; not compatible with iPhone Air), microphone connection, and power delivery to the phone when connected to an external power source such as a portable charger. A Bluetooth remote is included for wireless shutter control. Specifications Model: M4C Item Type: Phone Selfie Monitor Screen Color: Black Compatibility: Smartphones Application: Selfies/Vlogs Main Features: Magnetic Main Material: ABS Plastic, Magnets Screen Size: 4"/10cm Connection Method: USB C Cable Interfaces: USB C Ports x 3 Resolution: 800x400 Package Contents 1 x Phone Selfie Monitor Screen 1 x RT-107 Bluetooth Remote 1 x Adhesive Magnetic Ring 1 x USB C to USB C Cable