Otto V1-10430, Adapter for use with 1 wire earphone kits Quantity in Basket: None Code: V110430 Price: $49.07 Shipping Weight: 1.00 pounds Quantity: Otto V1-10430, Adapter allows the use of 1 wire earphone kits with 2.5mm plug on Kenwood radios - Tk-480/481, TK-290/390, TK-2140/3140, TK-190, TK-2180/3180, TK-5400, TK-5210.