Description: The number pad is plug and play, which is convenient to use. The number pad is sensitive, bringing you smooth using experience. Made of ABS material, the number pad is eco-friendly and durable to use. It adopts ergonomic design, which will not make your hands feel uncomfortable after long-time use. The length of the number pad is 13.4cm, width is 10.5cm and height is 2.2cm, so you can carry it outdoor with you conveniently. The number pad is suitable for many types of computers. Item Name: Wireless Number Pad Material: ABS Model: BT302 Color: Black, Silver Color, Iron Grey Bluetooth-compatible Solution: Broadcom 20730 Chip Bluetooth-compatible Module Bluetooth-compatible Protocol: 3.0 Working Distance: 10m, Barrier-free Working Voltage: DC 3 V Working Current: <5mA Continuous Working Time: 250H Standby Time: 120 Days Sleep Current: about 50uA Battery: 2 x AAA Battery(Not Included) Features: Plug Play, Sensitive, Ergonimic Size Details: 13.4cm x 10.5cm x 2.2cm/5.28" x 4.13" x 0.87" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Wireless Number Pad(Uncharged) 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin