MBL 3L390 (1390) Fractional Horsepower V-Belt, 3L Section, 3/8" Width, 7/32" Height, 39'' Length, Rubber electronics3 5mm Audio Adapter) allow one

5mm Audio Adapter) allow one headset for using with different devices inclduing deskphones and mobiles iPhone Samsung and most other Androids

Used to test the ppm level of hard water

(this bluetooth adapter Sound stable and the Transmission quality will better than other FM channel bluetooth transmission product)

and connecting cords

MBL 3L390 (1390) Fractional Horsepower V-Belt, 3L Section, 3/8" Width, 7/32" Height, 39'' Length, Rubber electronics3 5mm Audio Adapter) allow oneMBL 3L390 (1390) Fractional Horsepower V Belt, 3L Section, 3 8" Width, 7 32" Height, 39'' Length, Rubber MBL's 3L390 Fractional Horsepower V Belt is designed for light duty, fractional horsepower drives and is capable of handling drives with backside idler. External wrapping provides smooth and quiet operation with minimum vibration. Heat and oil resistant, static conductive. Product Features Designed for light duty, fractional horsepower drives