Support systems and applicable models: Apple ios support system for ipad Air / 5 Tablet PC

Product Features:
Slim ABS comfortable keys with 7-color backlight color can be switched colors， automatic bluetooth sensor Bluetooth connection convenient， aluminum-magnesium alloy
bottom case material feels comfortable， bright piano paint honorable fashion， imported high-quality artificial pu leather wear durability， with automatic sleep
function， magnetic lid magnetic force support， put it slim and lightweight portable design， user-friendly angle bracing design elements in a set of perfect quality and
super experience extraordinary achievement Bluetooth keyboard!

specifications:
Single product size: 24.2 * 17.5 * 1cm
Box size: 27.5 * 18.6 * 2.2cm
single product Weight: 0.42kg
single product weight: 0.36kg
battery capacity: 380mah
charging time :4-5 hours
working current :2.5-3 .5 MA
sleep current: <0.2mA
working voltage: 3.7 ~ 4.2V (Power by Li-on)
uninterrupted work time: 55 to 70 hours
standby time: 20 days
Operating Distance: 10 meters or less
Connection: Broadcom Bluetooth 3.0 single
Color: Black， silver，white

Product packaging and accessories:
1. F5S ABS button slim Bluetooth keyboard
2. USB charging cable
3. English manual
4. packing boxes
Notice:We have three colors: white， black， silver.Please tell me what kind of color