【2 in 1 Design】 Combines a Bluetooth-compatible 3.0 keyboard and a PU leather tablet case for versatile productivity and all-day device protection 【Adjustable Stand & Hands-Free Convenience】 Effortlessly convert into a stable viewing stand for movies, video calls, or typing, ideal for work or entertainment 【Built-In Stylus Slot & Slim Portability】 Dedicated slot securely stores your stylus (not included) during travel, paired with an ultra-lightweight design for easy carrying 【Long-Lasting Durability】 Keyboard features reinforced keys and a built-in lithium battery (rechargeable) for extended use, perfect for frequent travelers or remote work 【Shockproof TPU + Premium PU Leather】 Rugged TPU edges and soft-touch PU leather guard against drops, scratches, and daily wear while maintaining a professional aesthetic Specifications: Bluetooth-compatible: 3.0 standard Effective operating distance: 10 meters Modulation method: GFSK Working voltage: 3.0 - 4.2V Working current: Standby current: Sleep current: Charging current: >200mA Standby time: >100 days Charging time: 3-4 hours Lithium battery capacity: 150mAh Sustainable working hours: 100 hours Lithium battery life: 3 years Button force: 80±10g Button life: 5 million clicks Working temperature: -10℃?- 55℃ Interface: USB