Motorola v70 pinouts
The connector/pinout information may be applied to the Motorola model v70

 Universal Cell Phone 3-pole (mono) headset connector pinout cordless/cell phones headset/handsfree cable connector
Universal Cell Phone 3-pole (mono) headset connector pinout cordless/cell phones headset/handsfree cable connector Motorola A840 , C650 , E1 , E398 , i335 , i425 , ic902 , MOTO Q 9c , MOTO Q 9m , V360 , V361 , V365 headset pinout should work with V360, E815 and some others
Motorola A840 , C650 , E1 , E398 , i335 , i425 , ic902 , MOTO Q 9c , MOTO Q 9m , V360 , V361 , V365 headset pinout should work with V360, E815 and some others Motorola A630,A835,A845,A1000, i205,i305,i530,i830,i860,i710,i730,i733,i736,i836,i930, V120,V265,V262,V260,V276,V300,V400,V500,V505,V551,V525,V545,V547, V550,V600,V620,v60t,V60,V60i,V60p,V60s,V66,V70,V710,V800,V80,V950,V980,V975,V1050 cell phones cable connector pinout also for  ROKR E1, E398,E550,E815,E1000, T280,T720,T730,T722i,T721, 270c, C331t, C343, C353t, C975, C980, 120x, A920, A295, Nextel i205, i305, i530, i730, i830, i930 models. This interface also known as Motorola CE bus.
Motorola A630,A835,A845,A1000, i205,i305,i530,i830,i860,i710,i730,i733,i736,i836,i930, V120,V265,V262,V260,V276,V300,V400,V500,V505,V551,V525,V545,V547, V550,V600,V620,v60t,V60,V60i,V60p,V60s,V66,V70,V710,V800,V80,V950,V980,V975,V1050 cell phones cable connector pinout also for  ROKR E1, E398,E550,E815,E1000, T280,T720,T730,T722i,T721, 270c, C331t, C343, C353t, C975, C980, 120x, A920, A295, Nextel i205, i305, i530, i730, i830, i930 models. This interface also known as Motorola CE bus. MRLG 4-pole 2.5mm headset connector pinout MRLG pinout
MRLG 4-pole 2.5mm headset connector pinout MRLG pinout