Features: 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. specification: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. 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. s: 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