new 2.4g mini wireless keyboard for android 1.2.4g 2.New style 3.100% silicone,waterproof,dustproof. 4.Protable,easy to take new 2.4g mini wireless keyboard for androidProduct specifications ... , dustproof, waterproof (merely for the silicone parts)Workable environment:-20C to 55C Humidity:20%-50%Adopt 2.4GHZ frequency wireless transmission strong anti-jamming ...