Proster 16 Channel Walkie Talkie 2 Pairs Rechargeable with USB Charger Tested

The Proster PST-888S is a UHF earpiece model featuring 16 channels. It includes a rechargeable battery, voice prompt, and USB charging capabilities. This listing is for a set of four units. The earpieces are pre-owned. Keywords: Proster earpiece, PST-888S, UHF band, 16 channels, rechargeable battery, voice prompt, USB charging, pre-owned earpiece, communication device, Proster headset.