BOW K520 Gaming Keyboard 2.4G/Bluetooth/Wired Tri-mode Keyboards Cool RGB Backlight Rechargeable for computer laptop Gamer PC

1️⃣Model：K520DL❌Without Backlight ✅Rechargeable ✅Tri-mode Connection ✅Volume Knob2️⃣Model：K520BDL✔️With RGB Backlight ✅Rechargeable ✅Tri-mode Connection ✅ Volume Knob3️⃣Model：K520U❌Without Backlight ✅Rechargeable ✅Wired Connection ✅Volume Knob4️⃣Model：K520BU✔️With RGB Backlight ✅Rechargeable ✅Wired Connection ✅ Volume KnobK520DL/K520BDL Specifications:Type：Bluetooth✚2.4G Wireless✚Wired Tri-mode KeyboardColor：Milk Brown/Blue Material：ABSVersion：Rechargeable versionCharging interface: Type-cNumber of keys：99 keysKeycap Pressure：60±20gWorking Distance：≦10MBattery Capacity：500mAh(No Backlight)；1500mAh(Backlight)Compatible System：Win、Mac、ios、And⚠️Note: Its USB receiver is located under the bracket at the bottom of the keyboard. You need to open its bracket, and then you will see the USB receiver.K520U/K520BU Specifications:Type：Wired KeyboardColor：Milk Brown/Blue Material：ABSThe following is a detailed description of K520BDL (with backlight).