The headset uses a Multi-Function Button (MFB) and volume switches to manage calls and media without touching your phone: Control Command Click the Switch button once Refuse Call Double-click the Switch button Pause/Play Music Click the Switch button Next/Previous Track Long press Volume+ or Volume- for 1 second Activate Voice Assistant (Siri) Press and hold the Switch button for 2 seconds Mute Microphone Press and hold the dedicated Mute button Reset Headset While off, press and hold the ON/OFF key for 8 seconds Hardware Specifications
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.
Quickly activate Siri or Google Assistant for hands-free commands. Technical Specifications Bluetooth Version 5.1 (supports A2DP, AVRCP, HFP, HSP, EDR) Transmission Range is greater than or equal to 10 meters (33 feet) Talk/Play Time 10–12 hours Standby Time Up to 400 hours Charging Time Approx. 1.5 hours via Type-C Water Resistance IPX7 (sweatproof and rain-resistant; not for swimming) Charging Instructions
The is a premium over-ear single Bluetooth earpiece designed for hands-free professional communication, driving, and office productivity. This exclusive user manual covers everything from initial setup and button operations to technical specifications and troubleshooting. 📦 What Is in the Box
这份关于 YYK525 的独家专属手册汇总了所有公开发布的指南、产品规格表以及高级使用技巧。作为一款高度集成且多功能的蓝牙耳机，YYK525 旨在通过其卓越的降噪性能和人体工学设计，带给您超越预期的无线自由度。如果在日后的使用中遇到本文未涵盖的个性化问题，请直接联系您购买 YYK525 的品牌经销商获取专业技术支持。 yyk525 user manual exclusive
All non-essential lights and sounds are disabled. The processor throttles to essential functions only, extending battery life up to 72 hours.
The is a versatile Bluetooth 5.1 earpiece designed for professionals who need reliable, hands-free communication. Whether you are a courier, office professional, or remote worker, this guide provides the exclusive manual details needed to master your device. Core Specifications
: Removing the headset from the charging case powers it on automatically. Returning it to the case shuts it down and begins charging. 🔄 How to Reset the Headset
: Understand if there are additional accessories or software that can enhance the device's functionality. The headset uses a Multi-Function Button (MFB) and
: Press and hold the switch button for ~3 seconds to power on (blue light flashes); hold for ~5 seconds to power off.
: With the headset off, press and hold the Multifunction Button (MFB) for approximately 3 seconds. The indicator light will flash red and blue alternately to indicate it is ready to pair. Mobile Pairing : Locate "
: On your mobile device, search for available Bluetooth devices and select . Passcode : If prompted for a password, enter 0000 .
Use the dedicated mute button during a call to block your audio from the listener. Volume Adjustment: +/- buttons located on the headset. Voice Assistant: Quickly activate Siri or Google Assistant for hands-free
: Features a main voice receiver and a dedicated Environmental Noise Cancellation (ENC) microphone.
All lights work, but no data output. Exclusive Fix: The UART port has entered a "latching state." Bridge the TX and RX pins on the auxiliary port for exactly 2 seconds using a paperclip. This resets the handshake protocol.
Triple-click the MFB. 5. Charging the YYK-525 features a smart charging compartment.
: Features a 180° rotatable ear hook, allowing it to be worn comfortably on either the left or right ear.
