STARTRC Universal Walkie Talkie Sky Speaker Megaphone Wireless 1KM Range Loudspeaker for DJI MINI 4 PRO / AIR 3 / Mavic 3 PRO Series RC Drone Specifications: Brand Name: STARTRCItem Name: Sky SpeakerItem NO.: ST-1139358 Material: ABS + PCColor: Black Built-in Battery Capacity: 500mAh Using Time: 120 minutes Charging Time: 30mins Size: 102 x 67.5 x 24mm(Megaphone), 162 x 52 x 24mm(Walkie Talkie) Net Weight: 66g(Megaphone), 62g(Walkie Talkie) Package Size: 18.3 x 15.3 x 3.3cm Package Weight: 200g Uasge: for DJI Mini 4 PRO / AIR 3 / AIR 2S / Mavic 3 PRO / Mavic 3 Classic / Mavic 3 RC Drone Features: - STARTRC mini speakers are suitable for DJI Mavic 3/Mavic 3 Pro/Air 3/Mini 4 Pro/Mini 3 Pro/Mini 3/Mavic 2/Mavic Pro/Holy Stone drone/RC quadcopter drones and multi rotor drones, suitable for drones with a payload capacity of over 70g.- The loudspeaker is suitable for multiple scenarios, such as searching for dogs on farms, rescuing people in fires, driving away thieves, organizing events, promoting epidemic prevention, evacuating crowds, warning of dangers, traffic command, shopping mall sales, wedding scenes, etc. It can also be applied in rescue scenarios to quickly locate trapped individuals and provide shouting support in difficult road conditions.- 1000 meter ultra long distance transmission, using wireless frequency band, strong penetration, can achieve ultra long distance transmission in a short time: using wireless frequency band, strong penetration, built-in voice decoding chip, up to 120 decibels long-distance transmission, loud and clear sound.- Strong battery life, built-in 5V 500mAh large capacity lithium battery, can continuously shout for 120 minutes, fast charging, can be fully charged in 30 minutes.- The mini speaker is made of ABS+PC material, lightweight and wear-resistant, weighing only 66g, making it easy to carry outdoors without affecting the flight life of the aircraft. It enhances the toughness of the body and provides anti drop and wear-resistant protection. Note: Package Only Megaphone and Speaker. NOT Included the Drones Package Included: 1 x Loudspeaker 1 x Charging Cable 1 x Inerphone