1、19-key Bluetooth Numeric Keypad - Helps you input numbers more conveniently and more directly. 2、Thousands Key - The built-in thousands key makes it possible to input a four-digit number directly. 3、10m Bluetooth Connection - Bluetooth number pad will work normaly within 10 meters. 4、Comfortable Touch Feeling - Suspension keys give you a comfortable touch feeling. 5、Waterproof - The crater design effectively prevents water entering. This Bluetooth numeric keypad helps simplify the input work of large amounts of data to make the data input more relaxed. Thousands key allows you to input a four-digit number at once. Furthermore, suspension keys give a super comfortable and power-saving typing experience. Features: 19-key Bluetooth Numeric Keypad - Helps you input numbers more conveniently and more directly. Thousands Key - The built-in thousands key makes it possible to input a four-digit number directly. 10m Bluetooth Connection - Bluetooth number pad will work normaly within 10 meters. Comfortable Touch Feeling - Suspension keys give you a comfortable touch feeling. Long Work Time - A large capacity AAA battery enabels it to work for a super long time. Waterproof - The crater design effectively prevents water entering. Portable - Mini size and light weight allow it to be carried to everywhere. Specifications: Product type: Bluetooth Numeric Keypad Connection: Bluetooth Keys number: 19 keys Thousand key: Support Waterproof: Support Bluetooth connection distance: 10m Key life: > 10 million clicks Battery: 1 * AAA battery( not included) Suitable system: For Microsoft, Android, iMac, iOS systems Package size: approx. 14.7 * 11.6 * 3.8 cm/ 5.8 * 4.6 * 1.5 in Package weight: 130g/ 4.6oz Package List: 1 * Bluetooth Numeric Keypad 1 * User Manual