📌 Product Description

Upgrade your wired earphones with this Bluetooth 5.0 upgrade cable, designed to support a wide range of IEM connectors including 0.78mm 2-pin, MMCX, and IE80.

With stable Bluetooth connectivity, built-in microphone, and multiple wearing styles, this cable offers flexibility, comfort, and reliable performance for daily use.

Choose the correct connector type and wearing style to match your earphones and enjoy a seamless wireless experience.

✨ Key Features

• Universal Wireless Upgrade
  Convert compatible wired earphones into Bluetooth wireless.
• Bluetooth 5.0 Stable Connection
  Fast pairing, low latency, and reliable signal up to 10 meters.
• Clear Sound & Call Support
  Built-in microphone for calls and inline controls.
• Long Battery Life
  Up to 8 hours playback and 100 hours standby.
• Quick Charging
  Fully charges in about 1–2 hours.
• Multiple Connector Options
  Supports 0.78mm 2Pin, MMCX, and IE80 earphones.
• Two Wearing Styles Available
  Over-ear (secure fit) or straight-down design.

🔌 Connector & Compatibility Guide

🎧 0.78mm 2Pin (TFZ Type / Standard) – ⭐ Recommended

Compatible with:
KZ ZST / ZS10 / AS10 / ES4 / ZSR / TRN / TFZ

✔ Standard exposed pins
✔ Most widely used version

🎧 0.78mm 2Pin (QDC / UE Type)

Compatible with:
KZ ZSN / ZSN Pro / ZS10 Pro / AS16 / QDC

✔ Recessed connector design
⚠️ Not suitable for older exposed-pin models

🎧 0.78mm 2Pin Over-Ear

Compatible with:
Most standard 0.78mm KZ / TRN / TFZ earphones

✔ Over-ear wearing style
✔ Secure and stable fit

🎧 MMCX Connector (Over-Ear)

Compatible with:
Shure SE215 / SE315 / SE425 / SE535
Other MMCX earphones

✔ Rotatable snap connector
✔ Secure fit

🎧 MMCX Connector (Straight)

Compatible with:
Same as MMCX above

✔ Straight wearing style

🎧 IE80 Connector (Over-Ear)

Compatible with:
Sennheiser IE80 / IE80S / IE8

✔ Dedicated interface
⚠️ Not compatible with other types

📊 Specifications

• Bluetooth Version: 5.0
• Transmission Distance: Up to 10m
• Playback Time: Approx. 8 hours
• Standby Time: Approx. 100 hours
• Charging Time: 1–2 hours
• Cable Material: TPE
• Cable Thickness: 2.0mm
• Weight: Approx. 12g
• Microphone: Yes
• Controls: Inline Control
• Color: Black

📦 Package Includes

• 1 × Bluetooth 5.0 Upgrade Cable

⚠️ Notes

• This is a compatible replacement product (non-branded).
• Please confirm your earphone connector type before purchase.
• Different versions are not interchangeable.