Model NO. SF-E30-S-2
Listen only earpiece with acosutic tube
Soft acoustic tube type comfortable to wear
3.5mm connector with coil wire
Traight plug

Model No.: SF-E30-D
Listen only earphone D earhook
For two way radio speaker mic or other units
3.5mm and 2.5mm jack for optional

SF-E30-G
Earhook listen only earpiece
For different speaker mic or radio units
Soft earhook comfortable to wear
3.5mm and 2.5mm for optional

Model NO. SF-E30L-S
Listen only earpiece with acosutic tube
Soft acoustic tube type comfortable to wear
3.5mm and 2.5mm connector for optional

Model NO.: SF-E20-G2-M10
Hkln4455A One wire earpiece with new earhook
Silent barrel Push-to-Talk (PTT) with clip
For Motorola CLP446