About this item

• 【REVOLUTIONARY TRI-FOLD DESIGN】Uniquely engineered to fold vertically (top-to-bottom), mirroring the elegant and compact form of a pencil box. This innovative design sets it apart from conventional left-to-right folding keyboards, delivering an ultra-slim profile that effortlessly slips into bags, pockets, or even sleeves—perfect for users who value portability and style.
• 【ALL-IN-ONE WITH INTEGRATED TOUCHPAD】Boasts a highly responsive built-in touchpad that supports multi-finger gestures, providing seamless navigation and precision cursor control. By integrating a full-featured touchpad, it eliminates the need for an external mouse, making it the ultimate all-in-one solution for productivity on the go.
• 【HIGH-PERFORMANCE SCISSOR SWITCH KEYS】Designed with advanced scissor-mechanism keys that deliver a quiet, tactile, and comfortable typing experience. Each key offers enhanced stability and responsiveness, ensuring accuracy and durability whether you’re typing long documents or executing quick commands.
• 【QUAD-SYSTEM COMPATIBILITY】Enjoy seamless connectivity across four major operating systems—Windows, macOS, Android, and iOS. No matter which device you use, this keyboard works right out of the box without the need for additional drivers or complicated setup.
• 【TRI-MODE BLUETOOTH CONNECTIVITY】Equipped with advanced Bluetooth 5.0+ technology, it allows simultaneous pairing with up to three devices. Effortlessly switch between your smartphone, tablet, and computer with the simple press of a button, streamlining your multitasking workflow.
• 【RECHARGEABLE BATTERY WITH USB-C CHARGING】Powered by a high-capacity lithium battery that supports extended use on a single charge. The modern USB-C port ensures fast and convenient recharging, providing hours of uninterrupted typing with minimal downtime.

• 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