Feature:1. Double Mode: The wireless keyboard mouse set has double modes of 2.4G wireless mode and Bluetooth mode, can be switched smoothly to use.2. Multiple Compatibility: Suitable for a variety of devices, for PC, computer, having 4 channels to connect with 4 devices at the same time to meet the needs of different users.3. Comfortable Use: Suitable inclination, more comfortable and smooth operation tilt stable triangle, can enjoy faster input speed, quiet operation, concave design to fit for finger belly, feel comfortable and delicate.4. Stable Connection: 2.4G wireless technology ensures stable connection, avoiding frequent disconnection, and providing smooth operation experience.5. Waterproof And Dust Proof: Wireless Bluetooth keyboard mouse set has a soft and comfortable silicone dust mat, feel comfortable, waterproof and dust proof.Specification:Item Type: Wireless Keyboard Mouse Set Material: ABSKeyboard:Key Service Life ≥ 10 million timesKey Quantity: 100Mouse:DPI: 1000-1200-1600Key Quantity: 4Built In Polymer Lithium Battery: 400mAh (Keyboard); 400mAh(Mouse)(Shipped With Built In Battery).Package List:1 xKeyboard1 x Instruction1 x 2.4G Receiver1 x Charging Cable1 x Keyboard Protector1 x Mouse