Enjoy hassle-free connectivity with this Bluetooth-enabled wireless keyboard with backlight feature - perfect for home and office use. Product Details Dimensions/Size: 15cm (H) x 24.8cm (W) x 0.65cm (D) Material:Keyboard keys, keyboard above cover, power switch and code switch: Acrylonitrile butadiene styrene (ABS) Keyboard bottom cover: Metal Printed circuit board assembly (PCBA): Epoxy resin Power source:Input: DC 5V / 100mA Battery information: Requires 420mAh rechargeable battery (Included) Technical specifications:Working distance: Around 10m Bluetooth version: 3.0 Charging time up to 3-4 hours (under 5V 1A charging status) Power saving mode: 10 minutes Main chip: PAR2860 Interface: Bluetooth B Modulation type: GFSK Working voltage: 3.2-4.2V Working current: | Kmart Wireless Keyboard With Backlight in Black