Stretchable Mobile Phone Gaming Button Trigger Grip Controller with 4 Gears Adjustment

Feature: 1. 4‑speed adjustment of the firing speed can effectively assist shooting and assist in aiming. 2. Buckle fixing, you only need to click the phone in, without affecting game the view of game. 3. Good compatibility, fit for AndroidIOS smartphones with a thickness of 6-13mm. 4. One‑key wake‑up pulse function to assist shooting. No operation after 15 minutes goes to sleep. 5. The mobile phone game button is made of ABS material, which is strong and durable. Specification: Item Type: Game Button Material: ABS+Metal Color: Black Application: Fit for AndroidIOS smartphone 6-13mm 0.24-0.51in thickness Battery: Lithium Electronic Battery Battery Capacity: 50mAh Product Features: 4-Speed Conversion Connection Method: Physical Buckle Working Current: <7mA Standby Current: <2uA. Package List: 1 x Button1 x Chinese and English Manual1 x USB Cable