Retevis RB17 Walkie Talkie Long Range for Adults,Handheld Two Way Radio with Earpieces,Rechargeable 4400mAh Large Capacity Battery,Rugged 2 Way Radios for School Warehouse Business Duty (10 Pack)

* 4400mAh super battery life walkie talkies; 44 hours of continuous talk; up to 300 hours of standby time * 2-in-1 charging cable can realize fast charging; Type-C USB port is convenient for you to charge anywhere * Loud and crystal sound; squelch and acoustic tube earpieces offer clear sound in noisy environment * Durable 2 way radio; robust body and thickened PC plastic shell resist shock; vibration and dust; much sturdy for long time use * Long integrated antenna offers long distance; wide coverage two way radios * License free walkie talkie; 16 channels; out of the box use directly with Retevis RT22 H-777 RT21 RT68 on the same channel and CTCSS