【Wireless Convenience】 BT 3.0 technology enables seamless connectivity within a 10-meter range, eliminating cable clutter for a clean and efficient desktop setup. 【Long-lasting Performance】 Enjoy up to 100 hours of continuous use on a single charge, with a standby time of over 100 days for extended productivity. 【Quick Charging】 Fully recharge the 200mAh lithium battery in just 3-4 hours via the Type-C port, ensuring minimal downtime. 【Durable Design】 Built to last with a key lifespan of 5 million clicks and an operating temperature range of -10°C to 55°C. 【Versatile Compatibility】 Seamlessly switch between multiple devices, including smartphones, tablets, and computers, enhancing productivity across various platforms. Specifications: BT Version: 3.0 Operating Range: 10 meters Modulation: GFSK Operating Voltage: 3.0-4.2V Operating Current: <2.5mA Standby Current: <0.3mA Sleep Current: <40uA Charging Current: >200mA Battery Capacity: 200mAh Battery Life: 3 years Key Force: 80 ±10g Key Lifespan: 5 million clicks Operating Temperature: -10°C to 55°C Charging Port: Type-C