• Connectivity: 2.4G + BT1 + BT2
• Dimensions: 368 × 122 × 15 mm
• Keys: 102 keys
• Charging port: TYPE‑C (customizable)
• Battery: 250 mAh built-in lithium battery
• Frequency: 2.4 GHz
• Current/Voltage: 10 mA / 3.7 V
• Working distance: >10 m
• Switch: Scissor-switch
• Compatible systems: Windows 2000/XP/Vista/7/8/10, Mac OS X, Android

• Model: BK9803
• Product: Triple-Channel Bluetooth Aluminum Alloy Keyboard with Numeric Keypad & Type‑C Charging Port
• Material: Aluminum Alloy + ABS Plastic
• Compatible Systems: MacOS, Android, Windows
• Keys: 110 keys
• Bluetooth Version: Bluetooth 5.2
• Keyboard Lifespan: 5 million keystrokes
• Response Speed: 5 ms
• Transmission Distance: 10 m
• Working Current / Voltage: 2 mA / 3.7 V
• Built-in Lithium Battery: Yes
• Battery: 180 mAh polymer lithium battery (402030)
• Charging Time: 2 hours
• Working Time: 80 hours
• Standby Time: > 2 months
• Color: Iron Gray

About this product

• 【Full-size feel, pocket size freedom】Experience an unparalleled desktop typing experience anytime, anywhere. This keyboard folds in half to ultra-portable size, but opens with a full 99-key layout with a numeric keypad and familiar key spacing for quick and accurate typing without a learning curve. With a space-saving layout and short axis keycaps, optimized for mobile work. Keyboard Extended Size: 13.38*4.56*0.45 inches, Keyboard Closed Size: 6.72*4.56*0.9 inches, Keyboard Weight: 10.54 ounces.
• 【Built-in pull-out touchpad, your mouse, built-in】Skip extra gadgets. The responsive multi-touch trackpad is seamlessly integrated, supporting smooth cursor control, two-finger scrolling, and gestures. To extend battery life, a simple FN + spacebar shortcut is all it takes to disable it. The touchpad is suitable for basic navigation, and it is recommended to use a light touch to avoid accidentally touching the palm while typing for the best experience.
• 【Triple Device Pairing, Seamless Switching in Seconds】Take control of your digital ecosystem. Connect up to 3 devices at the same time, such as laptops, phones, and tablets, and switch between them instantly with a dedicated key. Ideal for multitaskers working across multiple screens.
• 【90 Hours Marathon Battery & Type-C Charging】Just 2-3 hours of charging for weeks of coffee shop meetings and cross-country flights. Modern USB-C ports mean you can use your laptop or phone charger, eliminating battery anxiety forever. The included USB cable is only for charging, and the keyboard can only be operated via Bluetooth connection, not wired connections.
• 【Library - Silent Scissor Switch Key, Type No Sound】The low-profile scissor mechanism provides satisfying tactile feedback while maintaining noise. Become a productivity hero at a meeting, in the library, or on a plane, and never disturb those around you.
• 【Digital Pad & Smart Short Circuit for Maximum Efficiency】Easily handle numbers and control media. A dedicated numeric keypad speeds up data entry, while multimedia hotkeys (volume, play/pause) and one-touch Fn lock keep you at your fingertips.
• 【Universal Compatibility: One keyboard for all devices】Perfectly compatible with iOS, Android, macOS, and Windows. It's a single, versatile keyboard for your entire tech life, from your office PC to your personal iPad and Android phone. The keyboard supports Bluetooth 5.3 and above.