If you have just acquired the , you hold a device known for its specific niche functionality and efficient design. However, finding a complete, legible, and exclusive breakdown of its controls is notoriously difficult.

：要使用此功能，您通常需要从说明书或官方指引下载指定的翻译 APP。不同供应商的 APP 可能不同。

| Feature | Specification | | :--- | :--- | | | YYK-525 | | Bluetooth Version | 5.3 / 5.1 / 5.0 (Varies by batch) | | Supported Protocols | A2DP, HFP, HSP, AVRCP | | Transmission Distance | ≤10 meters / 33 feet (Open area) | | Headset Battery | 100mAh Lithium Battery | | Charging Case Capacity | 500mAh | | Playback/Talk Time | 10 – 12 hours | | Standby Time | Up to 400 hours | | Charging Time | Approx. 1.5 hours | | Waterproof Rating | IPX7 (Water resistant against rain and sweat) | | Speaker Impedance | 13Ω ± 10% | | Weight | Approximately 11 grams (earpiece only) |

The Ultimate YYK-525 User Manual: Exclusive Setup & Operation Guide

On your device, search for and select it to connect. If prompted for a password, enter 0000 .

The standard YYK525 manual gives you five basic settings. This exclusive guide reveals the that allows access to 18 additional performance tweaks.

Before diving into functionality, review the precise hardware and software parameters governing your YYK525 device: Specification Details V5.1 + EDR (Enhanced Data Rate) Supported Protocols A2DP, AVRCP, HFP, HSP, EDP Wireless Frequency / Band 2.402 GHz – 2.480 GHz Signal Range ≥is greater than or equal to 10 meters (33 feet) without obstacles Speaker Driver & Impedance 8 mm Membrane / 32 Waterproof Rating IPX7 (Sweat-proof, rain-resistant) Headset Battery Capacity 100 mAh Lithium Polymer Charging Case Capacity 500 mAh Lithium Polymer Talk & Playback Time 10 to 12 hours on a single charge Standby Duration Up to 400 hours Charging Interface & Time USB Type-C / ~1.5 hours for full deployment Unboxing and Physical Architecture

yyK525 的高级版本搭载了多麦克风降噪系统。