Speaker Size: 36mm

Microphone Size: 9.7*6.7mm

Sound Level: 94dB

Frequency Response: 20-16000 Hz

Impedance: 8

Sensitivity: -38dB

Sound Output: 1W

Impedance: 2.2K

Compatibility with the following portable radios:

• BAOFENG: UV-5R, UV-5RA, UV-5RB, UV-5RC, UV-5RD, UV-5RE, UV-5RE plus, BF-888S, BF-777S, BF-666S, UV-8, UV-82
• KENWOOD: TK-240, TK-250, TK-255, TK-260, TK-260G, TK-270, TK-270G, TK-272G, TK-278, TK-278G, TK-340, TK-349, TK-350, TK-353, TK-360, TK-360G, TK-370, TK-370G, TK-373G, TK-378, TK-378G, TK-430, TK-431, TK-715, TK-2100, TK-2102, TK-2107, TK-2118, TK-2160, TK-3100, TK-3101, TK-3102, TK-3107, TK-3118, TK-3160
• LINTON: LT-2288, LT-3288, LT-6288, LT-5288, LT-3188, LT-2188, LT-3260, LT-2268, LT-3268, LT-6188
• PUXING: PX-328, PX-333, PX-666, PX-777, PX-777 Plus, PX-888, PX-999
• WEIERWEI: VEV-3288S, V-1000
• WOUXUN: KG-659, KG-669, KG-669 PLUS, KG-679, KG-679 Plus, KG-816, KG-819, KG-689