• 【3-Fold Portable Design】Innovative tri-fold structure transforms from a full-size keyboard to a compact pocket-sized device, perfect for mobile professionals and travelers.
• 【Multi-Device Connectivity】Connect and seamlessly switch between up to 3 Bluetooth-compatible devices using dedicated BT1/BT2/BT3 keys for efficient multitasking across platforms.
• 【Cross-Platform Compatibility】Supports iOS, Android, Windows, and other Bluetooth-compatible devices with system-specific function key layouts for optimal performance.
• 【Magnetic Closure System】Built-in magnetic adsorption ensures secure folding and prevents accidental opening during transport while maintaining sleek profile.
• 【Extended Battery Performance】140mAh lithium battery provides up to 46 hours of continuous use and 90 days standby time with quick 2-3 hour Type-C charging.
• 【Ergonomic Full-Size Layout】Features standard QWERTY layout with dedicated numeric keypad and optimized key spacing for comfortable typing experience.
• 【Durable Construction】Premium ABS and silicone materials with metal connection components, tested for over 10,000 folding cycles for long-lasting reliability.

Specification:

• Model: B089
• Size: 304.31*98.12 mm (open state), 152*98.12 mm (folded state)
• Number of keys: 81 keys
• Weight: 220g
• Key pitch: horizontal 2.8mm, vertical 3.0mm (standard key)
• Material: ABS+Silicone
• Lithium battery capacity: 140mAh
• Working voltage: 3.0~4.2V
• Button working current: less than 3.0MA (when the CPS light is off)
• Standby current: less than 1.0MA
• Sleep time: 10 minutes
• Sleep current: less than 20UA
• Frequency range: 2402-2480 MHz
• Working distance: 8-10 meters without obstacles