The HKLN4601 Surveillance Earpiece with Inline Mic PTT Dual Pin is a Motorola product designed for in-ear use. It features a push-to-talk (PTT) button for convenient communication and comes in a sleek black color. This earpiece is a single unit with a 1-year manufacturer warranty and is manufactured in China. Ideal for radio communication, this earpiece is a reliable and user-friendly accessory for surveillance purposes.