No need for Bluetooth connection and app. Automatically track after turning on the device Product Parameter :Body Size19.7Hx5.2cmDBase Size10cmTracking The Rotation Angle360 degree Phone Clip FlipX:360 degree/Y:315 degree Mobile Phone Clip Stroke MAX:8.2/ MIN:5Battery Capacity 2200MHA Battery Life About 6-8 hours Rotating Speed about 42 degree/second Charging PortType-CPower5V1AField Of View105 degreeFeatures:1. AI intelligence, face tracking.2. 360-degree rotating and tracking, 8 hours long-lasting battery life, built-in lithium battery.3. Matte material, comfortable to touch.Specifications: Product Name: Selfie Sticks Quantity: 1 PcColor: Pink, Black, White Package Included:1 x Selfie Sticks1x charging cable1x English manual