【Universal Compatibility】Designed for Microsoft Surface Pro8/ProX/Pro9/Pro10/Pro11/Pro12, offering a versatile solution for multiple Surface models. 【Backlit Touchpad Keyboard】Features a responsive touchpad and customizable backlit keys for comfortable typing in any lighting condition. 【Long Battery Life】Enjoy over 30 hours of use with backlight off, or up to 100 hours in power-saving mode, supported by a 500 mAh lithium battery. 【Bluetooth-compatible 5.2 Connectivity】Advanced Bluetooth-compatible 5.2 technology ensures a stable connection up to 10 meters away from your device. 【Slim and Lightweight】With dimensions of 29 x 22.3 x 0.6 cm and a weight of just 367g, this keyboard is perfectly portable for on-the-go use. 【Easy Pairing】No pairing code required, simply turn on and connect for a hassle-free setup process. Specifications: Product number: 2109-AS Weight: 367g Product size: 29*22.3*0.6cm Bluetooth-compatible standard: 5.2 Effective operating distance: within 10 meters Modulation mode: GFSK Working current: <10mA (when the touchpad is working) Standby current: <2mA Sleep current: <40uA Charging current: 200mA Standby time: >100 days Charging time: 2-3 hours Working time: > 30/100 hours (backlight off) Lithium battery life: 3 million times Key force: 80+10g Key life: 1 million clicks Working temperature: -10 to +55℃ Lithium battery capacity: 500 mAh Charging port: Type-C interface Features: 7-color backlight, touchpad Note: When using it for the first time, please charge it for 2-3 hours to ensure that it has enough power.