Important Information Material:Alloy Package Size: Single One: 5cm x 3cm x 2cm/1.97" x 1.18" x 0.79" (Approx.) Overview: The gaming trigger needs no frequent charging because it has long standby time. Made of ABS material and alloy, the gaming trigger is stainless and durable to use. The length of one single gaming trigger is 5cm, width is 3cm and height is 2cm, so it will not block the screen and affect the use of your phone. The gaming trigger is universal, which is suitable for iPhone and for Android phones in most cases. Note: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Specifications: Color: Black Charging Port: Micro USB Battery Capacity: 50mAh(Included) Pairing Method: Buckle Type Continuous Working Time: 20H Transmission Mode: 1 x Electronic Pulse, 1 x Mechanical Jog Features: Quick Response, Lightweight, Universal Package Content: 1 Pair of Gaming Triggers 1 x Data Cable