| Brand: Essager Product name: velvet elastic bag + a manual Material: aluminum alloy, zinc alloy, ABS Function, upper and lower conditions, five-speed adjustment Color: gray, silver USB Bluetooth 5.1 Adapter 1: Let the computer realize the Bluetooth function, support Bluetooth 2.0/3.0/4.0/5.0 and other versions 2: Bluetooth adapter applicable equipment, Windows system computer Android tablet/mobile phone, Bluetooth keyboard, Bluetooth device, Bluetooth headset, audio, printer, gamepad 3: Details display, PCB immersion gold board, better contact, stable power supply / SMD ceramic antenna, longer distance, better performance / ultra-high performance chip, low latency, / mini appearance, | |