Feature:1. Automatic Ball Launching: The automatic ball launcher throws tennis balls continuously, providing your pet with ongoing entertainment and exercise.2. Interactive Toy: You can play with your pet using the launcher, fostering closer relationship between you and your furry friend.3. Easy Operation: With a button design, the launcher is easy to operate. You can adjust the throwing distance and angle to meet different needs and play styles.4. Reduce Boredom: The launcher helps your pet burn off excess energy, promoting healthy exercise and reducing boredom and anxiety.5. Safety Protection: The launcher features a fully enclosed design, ensuring the safety of both your pet and yourself during playing time.Specification:Item Type: Automatic Ball LauncherMaterial: ABSBattery Type: 3.7v Lithium BatteryNominal Capacity of Single Battery: 2200mAh (shipped with built in battery).Package List:1 x Automatic Ball Launcher (Shipped With Built in Battery)3 x Ball1 x User Manual1 x Charging Cable