There are various accessories available for walkie-talkies such as rechargeable batteries, drop in rechargers, multi-unit rechargers for charging as many as six units at a time, and an audio accessory jack that can be used for headsets or speaker microphones.[9]
When headsets are used with voice activation (VOX) capability the user can talk with hands free operation. Several types of audio accessories are available such as speaker microphones that clip near the ear, security type earpieces with a pendant push-to-talk switch and a built-in microphone, a headset or earbuds with a push-to-talk switch, or a single-ear lightweight behind-the-head headset with boom microphone and pendant push-to-talk switch similar to that worn by a telephone operator