General Wired Keyboard Flip Holster Case For Andriod Mobile Phone 4.2''-6.8'' (Blue) Design to fit for your andriod phone with OTG function(Please ensure that your cellphone own this function before you order). Unique accessories for android phone. It's easy to insert and remove, can change the bukle to fit for your cellphone in 4.2''-6.8''. Let your typing more convenient and make your hand free to community to other with video.