Universal Drone Wireless Megaphone

Overview: - Mini and lightweight design will not add the burden to the drone, - High quality Built-in lithium battery ensures 2 hours working time after 30 minutes full time charging via USB cord. - 462MHZ strong penetration wireless remote control frequency, 100 meters long distance transmission. - Built-in voice decoding chip, high fidelity, stable sound quality, long-distance amplification. No impact on flying. - Fit for most rc drone like DJI Mavic 2;Mavic Mini; Mavic Air; Phantom 3; Phantom 4; GW90,GW198,GD91 PRO;X193 PRO,SG906 PRO，X7 PRO，SG901, SG907，E520S,S162,F11; Wltoys X1S,and RC Car Boat etc. Specifications: Colour: Black Megaphone size: 5*5*3cm Remote control size: 15.5*5*2cm Megaphone battery specification: 3.7V 220MAH (built-in lithium battery) Remote control battery specification: 3.7V 300MAH (built-in lithium battery) Megaphone charging time: about 30 minutes Remote control charging time: about 30 minutes Use time: