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: Press and hold the switch button for ~3 seconds to power on (blue light flashes); hold for ~5 seconds to power off.

This setup guide compiles information from the official Hilitand YYK-525 User Manual and technical data sheets. It outlines exact steps for pairing, button execution, maintenance safety, and quick troubleshooting. 🛡️ Technical Specifications Specification Details V5.1 + EDR (Enhanced Data Rate) Wireless Range Up to 10 meters / 33 feet (unobstructed) Audio Driver & Impedance 8mm Dynamic Driver / 32 Ωcap omega Earphone Battery Capacity 100mAh Lithium Polymer Charging Case Capacity Talk & Music Playback Time 10 to 12 hours per charge cycle Standby Duration Up to 120 – 400 hours Water Resistance Rating IPX7 Waterproof Optimization ⚡ Initial Setup & First-Time Use yyk525 user manual exclusive

The red and blue lights will flash alternatively (entering pairing mode) Access the Settings of mobile phone/tablet -- Wireless -- device.report YYK-525 带仓 : Press and hold the switch button for

: Discontinue use immediately if you experience physical discomfort or pain in the ear. 🛡️ Technical Specifications Specification Details V5