HM-222H Waterproof Speaker Mic with 3.5mm Accessory Jack 14-Pin Connector Features: The waterproof microphone can be used while in rain Equipped with an emergency switch at the top Increased speaker-microphone volume depends on the combination of the transceiver and microphone High capacity speaker and enough internal space for good quality audio Specifications: Connector Information: 14 pin spring type; ?3.5 mm earphone jack Cable Length: 300 mm; 11.8 in (when curled) IP Rating: IP68 (Equivalent to the main unit) Weight: 204g (approximate) Rated Input: 2.5 W (Max. 3 W)