Variable frequency digital display, Visible coldness: Visualized temperature real-time display with rapid cooling, obvious. High conductivity polymer panel, Faster refrigeration conduction: Large area concentrated cooling panel, tightly attached to mobile phones, faster cooling conduction, contact area, uniform and rapid cooling. Silent and low-noise, Enjoy moment of gaming quietly: 360 surround type alloy heat dissipation duct, optimized flow guide structure 9-blade hydraulic bearing fan, silent, low-noise. and vibration free. One machine dual-mode, Magnetic suction and back clip: Magnetic back clip with two installation modes compatible with most phones on market, both for Android and for . Cool RGB lighting effect, Enhance gaming atmosphere. Light to 146g Playing games without exhaustion. Color: Black Material: plastic Package Contents: 1 * Mobile Phone Cooler 1 * USB Cable Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.