Widely Compatible: The drone dropping device suitable for most drones like for DJI Mini 3 Pro, Mini 3/Mavic Mini/Mini 2/Mini SE/Mini 2 SE/Mavic Air 2/Air 2S/Mavic 3/Classic/Cine/Spark/Mavic 2 Pro/Zoom/MavicPro/Avata/Fpv/Fimi X8SE/Phantom 3/4 Pro/Holystone HS720/720E/720G/HS440/RUKO F11S drone,etc. It is almost suitable for drones with a load weight of over 100g. Product Parameter: Maximum Load: 750g, Built-in Battery Capacity: 350mAh, Standby Time: about 12 hours, Self-Charging Time: 1.5 hours, Turn On or Off Times(full charge once): 600 Easy to Control: One-button operation through the 2.4G remote controller. The remote control distance is 150 m. The length of the Velcro strap is 30cm, Please select based on your drone size. Quick to Assemble: Velcro installation will not damage the drone body. Simply thread a velcro strap into the adjuster hole, adjust it to a suitable position according to the size of your drone, and fix it (the strap avoids the drone bottom sensor). Hang the matching sling onto the thrower lock to load the item (hang it according to the weight of the drone). Widely Used: You can send wedding rings, gifts, flowers to your friends, family and lovers on any unforgettable day such as weddings, Halloween, Christmas, Valentine's Day to create unexpected surprises. It can also be used to throw bait, throw confetti at beach parties, throw balloons, throw rescue supplies etc., adding unlimited fun to your life.