Features 1、360 DEGREE STABLE ROTATION: Auto tracking phone holder uses AI computing system to automatically recognize and track your face or body with 360 degree stable rotation. 2、BUILT IN CAMERA: Auto face tracking phone holder has a built in camera for intelligent tracking, you don't need to download any apps or connect via bluetooth. 3、STANDARD 1/4 INCH THREAD: Auto tracking phone holder has a standard 1/4 inch thread on the bottom for mounting on a tripod and adjusting the angle and height. 4、EXTENDED 2‑4 INCH WIDTH: 360 degree face tracking phone holder expands 2‑4 inches wide to fit securely on any size phone to meet your different usage needs. 5、LONG LASTING BATTERY LIFE: Smart tracking phone holder has a built in 2400mAh rechargeable battery for long lasting battery life. Specification Item Type: Auto Tracking Phone Holder Material: ABS Product Size: Approx. 17.5x9.3x9.3cm / 6.9x3.7x3.7in Use: 360 Degree Intelligent Face Following The Shooting With Built In Battery Delivery Battery Model: 1 x 18650 Lithium Ion Battery Battery Capacity: 2400mAh Package List 1 x Auto Tracking Phone Holder 1 x USB Data Cable 1 x Instruction Manual