2-Pin Headset Earpieces Earphones for Baofeng BF-888S, BF-777S

General Specs & Compatibility

• Connector Type: Standard Kenwood-style 2-pin plug (3.5 mm & 2.5 mm pins, 11 mm spacing)

• Compatible Models: Baofeng UV-5R, BF-888S, BF-777S, Retevis H-777, Kenwood TH-series, TYT, Wouxun, Puxing, and most 2-pin radios

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Microphone (Built into PTT Button)

• Type: Electret condenser

• Sensitivity: –38 ± 3 dB or –40 ± 3 dB @ 1 kHz

• Impedance: Approximately 2.2 kΩ

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Speaker / Earpiece

• Driver Diameter: Approximately 15 mm

• Impedance: 64–110 Ω depending on model

• Sensitivity: About 106 dB ± 4 dB

• Power Rating: 100–500 mW nominal, up to 1 W max

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Cabling & Ergonomics

• Total Length:

  • Plug to PTT: ~100 cm

  • PTT to earpiece: ~108 cm

  • Total combined length approximately 208 cm

• Connector Pin Spacing: 11 mm center-to-center

• Cable Weight: Around 42–55 g

• Ear Tip Style: In-ear soft silicone earbud with optional opaque or acoustic tube variant for discretion

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Features & Build Quality

• PTT Button: Clip-on, easy-to-use, ergonomically placed (often remote)

• Acoustic Tube Option: Available with transparent acoustic tubing for discreet use

• Wear Configuration: Over-ear loop (D-ring/G-hooks) for stable fit; suitable for left or right ear

• Use-environment: Designed for security, events, hospitality, airsoft, law enforcement, and noisy areas

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Noise & Audio Quality

• Some versions include noise-reducing microphone modules for clearer communication in loud environments

• Users report good sound clarity and durability at budget-friendly prices