The handlet is a stretchable, reversible front key posture handle, fireproof, no lag, feels very comfortable and ergonomic designed. The landline mobile phone of this product is reliable, and it protects your mobile phone well. The top and bottom positions of the mobile phone and the stressed position are provided with soft EVA and silicone in many places. Plug and play game triggerUsers only need to press with their fingers to fit the touch point of game trigger perfectly on the mobile phone screen, then can start immediately. To better the human finger's touch data as to achieve the minimum latency, we mapping was applied to trigger. Your Partner for All Battlefields. Product name: Game trigger Adapted to mobile phone: width less than 1.1cm Key position: 4 output heads Adapted games: all games Colour:black Material:alloy Package Contents: 2 x Game trigger Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.