Universal Wireless Loudspeaker & Megaphone Compatible with most Drones such as DJI Mavic Mini 1/2/SE/3Pro / Pro / Air 1/2/2S / Spark / 2 Pro Zoom / FIMI X8 SE 2020 / SG906 / Hubsan Zino

Loud speaker :
Channel: FM Radio
Battery: 3.7V 650mah (built-in lithium battery)
Charging Method: USB
Charging time: about 90 minutes
Using time: about 2 hours
Remote control distance: about 1000 meters
Net weight: 89.5g
Dimension: 9 x 7.5 x 4 cm

Megaphone:
Battery: 3.7V 500 mA (built-in lithium battery)
Charging Method: USB
Charging time: about 90 minutes
Using time: about 2 hours
Net weight: 46.2g
Size: 13.7 x 5 x 2.8cm

Included :
1x speaker
1x Megaphone
1x Strap
2x Bandages
1x Charging cable
1x Manual.