*KeyFeatures *Professional Tennis Ball Machine: This tennis ball machine features an all-metal body, ensuring durability and resistance to wear over long-term use. It can oscillate both horizontally and vertically, and randomly directs balls. It allows for topspin and backspin adjustments, offering multi-mode simulation training for various tennis scenarios. *Ease of Use: The portable tennis ball machine comes with a built-in Bluetooth 4.0 module and a self-developed app (30m connection distance), allowing you to easily adjust parameters. The app offers full control over ball speed, frequency, and angle, making it convenient to adjust ball trajectories. *Long Battery Life: This tennis training machine uses a high-quality external lithium battery, providing 4-5 hours of battery life (under normal use), meeting the needs of 2-3 daily training sessions. At level 5 setting, it can continuously serve balls for over 2 hours. It is recommended to fully charge the battery before each use, with each charging session lasting 6-8 hours. *User-Friendly Design: Weighing 48 lbs (21.8 kg), this automatic portable tennis ball launcher is compact and lightweight, easily fitting into the trunk of a car for convenient transportation. It features a retractable handle and wheels for easy portability and mobility. *Comprehensive Training Partner: With a maximum ball speed of 125 km/h, this large capacity tennis ball thrower is suitable for both beginners and professional players. It can hold up to 150 tennis balls, meeting the long-term training needs of players of all levels, making it your portable tennis training partner. ******************************************************************************************************* *Specifications Item Model Number: TS-06 Ball Capacity: 150 Balls Maximum Ball Speed: 125km/h Effective Bluetooth Connection Distance: 98ft/30m Product Weight: 48.06 lbs/21.8 kg Product Dimensions: 20.08x15.16x19.88 inch / 510x385x505 mm (Without Retractable Rod) ******************************************************************************************************* *Pakcage Content 1 x Tennis Ball Machine 1 x Adapter 1 x User Manual