For Galaxy Tab S7 FE/S7+/S8+ Wireless Bluetooth Keyboard with PU Leather Tablet Case and Pen Slot - Black 2-in-1 Bluetooth keyboard and protective case made of PU and TPU materials, suitable for business travel Bluetooth 3.0 connectivity with stable connection and long operational life Built-in 280mAh lithium polymer battery for extended use and convenient charging Convertible stand design allows hands-free viewing for movies and web browsing Dedicated slot to store your stylus (stylus not included) Slim and lightweight construction for easy portability Compatible with Galaxy Tab S7 FE (Model SM-T730/T733/T736/T738), S7 Plus (Model SM-T730/T733/T736/T738), and S8+ (Model SM-T730/T733/T736/T738) Specifications: Battery type: Lithium polymer battery Bluetooth version: 3.0 (compatible with Bluetooth 3.0/4.0/5.0/5.1 devices) Operating range: Up to 10 meters Standby time: Up to 100 days Continuous working time: Over 100 hours Charging time: 2-3 hours Battery capacity: 280mAh Battery lifespan: Up to 2 years Key switch lifespan: 3 million presses Modulation mode: GFSK Operating voltage: 3.0-4.2V Operating current: 4-8mA Standby current: Low power consumption