BlueFire 9-Pin J1939/J1708 Bluetooth Data Adapter for Heavy Duty Trucks, Fire Trucks, Motorhomes, School Buses, and More. Supports Android and Windows 10 (Not Apple iOS) BlueFire Apps. Supports J1939 and J1708 standard data messages. Check your diagnostic port for a 9 pin female connector. Older trucks use a 6 pin connector which is also available. Small form factor with a Deutsch 9 pin twist lock connector. The adapter can be locked in for long term use and will not interfere with driving. Power management is available for long term downtime. Anodized aluminum casing with a lexan translucent cap. The Deutsch plug is sealed and the electronics are weather resistant. The LED brightness can be adjusted to suit individual drivers. Communicates with Android Phones and Tablets, and Windows 10 Phones, Tablets (Surface), and PCs. Available from our store (https://bluefire-llc.com/store). Use coupon code Amazon for a 10% discount.