Brand: BLACKSHARK 4Pro Black Shark Model: BR41 Cooling method: semiconductor cooling Color categories: 4pro| black, 4pro Trisaran | Space gray Material: plastic + metal Size :84.5*63.2*29.5mm Packing list: Black shark Funcooler back clip 4 Pro, 1.5m Type-c fast charge data cable, Instructions, Qr code card Sudden drop of 40℃ Ultra-low noise tail flame lamp effect non-polar intelligent temperature control Tension upgrade clamping more stable 1 support interface more live Black Shark ice sealing refrigeration technology, breaking through the cooling bottleneck, ingenuity to create 40℃ Professional no-load cooling, boot quickly icing. At room temperature of 25° C, the temperature drops to 0 °C in 30 seconds, and the temperature can drop to -15°C. 27W power upgrade, more powerful cooling Newly upgraded semiconductor frequency conversion refrigeration technology, full blood 27W high power, with customized TEC cooling chips, up to 40°C and down to -15°C, fast and durable coolen comes with two sets of RGB lights Inspired by the propulsion tail flame of the interstellar spacecraft, the RGB lighting effect of the fuselage was upgraded Dual NTC overtemperature protection - automatic power off safety Built-in double NTC overtemperature protection, real-time monitoring of the back clip internal temperature, beyond the safe range Automatic power off, extend service life, use more assured.