Clear display, small graininess 1.3-inch screen Optimal size of 128*64OLED High-fidelity speaker New optimized sound cavity design With the same power, 's sound is more elegant and louder New ergonomic appearance Beautiful and compact, fits well in the grip, easy to carry A true full-function pocket remote control Long battery life Powered by 2 standard 18650 batteries, with a maximum battery life of 2s3400mah It is a powerful backing for high-power ELRS, with a built-in battery charger, convenient and fast charging Built-in battery balancer, more battery Newly designed Mini rocker Magnetic Hall is accurate and never wears out and less inertia Full bearings are silky smooth Name: Multi-protocol Joystick Remote Control Model: Jumper RF: JP4in1 Multi-protocol Built-in Module Operating voltage: DC6V-8.4V Compatible firmware: OpenTX/EdgeTX Screen: 1.3-inch OLED Display, 128*64 Resolution Joystick: Hall Full-Bearing High-Precision Joystick Emulator: 3.5mm Standard Ppm Output Or USB-C Battery: 2x18650 (Not Included) External Micro-sd Card: Reserved SD Card Slot Colour:Gray Material:ABS Package Contents: 1 x Remote Control 1 x Control Pack 1 x Remote Pole Protector 1 x Hf Adapter Board 1 x Chinese Manual 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.