Yyk525 User Manual Exclusive __top__ Jun 2026

: A dedicated sliding or toggle button located on the spine of the ear-hook module for immediate boot control.

The is a Bluetooth 5.1 wireless business headset designed for hands-free calling and music. Below are the essential operating instructions compiled from the Hilitand YYK-525 User Manual . Quick Setup & Pairing

Usually located on the exterior of the headset. Volume +/- Buttons: Located on the side. Charging Points: Connects to the case. yyk525 user manual exclusive

Do not use in heavy rain or submerge in water (it is not waterproof, only splash-resistant).

A: Absolutely not. The YYK525 is designed for 24V max input and 5A continuous output. Car starter batteries require 200A+. Doing so will instantly destroy the internal MOSFETs and void the warranty. : A dedicated sliding or toggle button located

Press and hold the Function (FN) button while connecting the power. The OLED screen will flash a firmware version (e.g., v2.4.1 ). The exclusive Pro feature requires version 2.4 or higher.

YYK525 是一款专为现代商务场景和多任务处理而设计的。它采用标志性的 180° 可旋转耳挂式设计 ，支持左右耳随心佩戴，专为需要长时间通话、驾车、运动或在嘈杂环境中保持清晰沟通的用户打造。 Quick Setup & Pairing Usually located on the

The is a premium Bluetooth 5.1 earpiece designed for hands-free professional communication, remote office environments, and safe in-car driving. Featuring an ergonomic, 180-degree rotating earhook design , it transitions easily between the left and right ears. This exclusive guide synthesizes the official factory specifications, step-by-step setup procedures, advanced multi-function button (MFB) configurations, and essential safety maintenance protocols found in the official documentation. 📊 Technical Specifications at a Glance

The hardware layout pairs high-fidelity audio engineering with an energy-efficient power profile built for all-day operational tasks. Hardware Parameter Factory Specification V5.1 + EDR (Enhanced Data Rate) Supported Profiles A2DP, AVRCP, HFP, HSP, EDR Signal Range ≥is greater than or equal to 10 meters (32 feet) open space Earpiece Battery 100mAh – 120mAh Lithium-ion Charging Case Battery 500mAh Smart Powerbank Case Talk & Playback Time 10 to 12 consecutive hours Standby Duration Up to 400 hours total Charge Time Cycle ~1.5 hours for full restoration Electrical Impedance Ωcap omega ±plus or minus Water Resistance IPX7 Daily Waterproof rating Core Hardware Interface Map

| Code | Meaning | User Action | | :--- | :--- | :--- | | | Over-temperature (>85°C) | Stop use. Clean air filter. Wait 10 min. | | E-07 | Output short circuit | Check cable at Port D. Replace fuse. | | E-12 | Firmware mismatch | Connect to PC. Run YYK525 Updater v2. | | E-99 | Internal sensor failure | Contact support immediately. Do not bypass. |