Retevis RT78 Bluetooth Walkie Talkies Long Range High Power, IP67 Waterproof, 5200mAh 2 Way Radio APP Operation, Two Way Radio Activities (2 Pack)

* Easy to operate; you can download a free APP to make use of functions; which includes channels; frequency and network mode etc * Bluetooth walkie-talkie can be linked to Bluetooth headset; which can make the talk conveniently * Long range and high power; you can get loud and clear voice; when you are far from your friends; it can work well * High capacity Li-ion battery; its standby time is up to 135 hours; continuous working time is 12 hours; the charging time is only 6 hours * Using APP operation, you can find many people to talk and you can know which city they are in * IP67 dustproof and waterproof; if you accidentally drop it into the water; take it out of the water and wipe it to dry; it can still work well * Vox function can provide you hands-free talk; it will be relaxing and convenient when you are busy on work