STARTRC Drone Megaphone Wireless Portable Speaker 3KM Control for DJI Mavic / Air / Mini Series, 3KM Control Option:3KM Control for evaluating signal quality

for evaluating signal quality

All-in-one

Battery-free Pen (no need to charge or battery )x1

Power supply: Button cell LR41 x 3 (included)

STARTRC Drone Megaphone Wireless Portable Speaker 3KM Control for DJI Mavic / Air / Mini Series, 3KM Control Option:3KM Control for evaluating signal qualityFeatures 1. Portable and lightweight 2. Stable and reliable 3. Long lasting battery life, built in large capacity lithium battery 4. Long distance transmission, supporting calls at altitudes up to 3 kilometers 5. Applicable to a wide range of models, suitable for DJI Mini series, Air series, Mavic series drones Package List 1. Megaphone x 1 2. Walkie talkie x 1 3. Charging cable x 1 4. Fixing bracket x 1 5. Hand screw x 1 6. Large silicone ring x 1 7.