1. Designed for Mini 4 Pro: This drone airdrop thrower system is perfectly suited for Mini 4 Pro drone, offering a seamless fit and optimal performance. 2. Versatile Remote Delivery: This payload delivery thrower can be used for a variety of remote delivery tasks, such as advertising, dropping fishing bait or gifts, delivering meals, or even delivering wedding rings. This opens up a world of possibilities for practical usage. 3. USB Charging and Quick Release: This air dropper device features USB charging for convenience and fast power, and is equipped with a quick-release mechanism that can be easily controlled with the touch of a button on the remote control. 4. Reliable and Safe: Carefully designed to be reliable and safe, this drone thrower does not add extra burden or cause damage to your drone. It is easy to install and remove, making it a practical choice for drone enthusiasts. 5. Additional Landing Gear Height: The drone remote thrower effectively increases the drone's body height by 14mm during landing. This feature not only prevents ground debris contamination during takeoff and landing but also protects the gimbal and drone body from damage. Specification: Compatible Drone Model: Mini 4 Pro Maximum load: 100 grams Built-in battery capacity: 150 mAh Standby time: about 12 hours Can be opened on one charge: about 300 times Self-charging time: 1.5 hours Product size: 89.00x62.00x36.00mm / 3.5x2.44x1.42inch Colour: grey Material: plastic Package Contents: 1 set * Drone Airdrop Thrower Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.