K02 Color Screen Headset LED Battery Hanging Neck Design for Sports Call Noise Reduction Singing Ear Return Microphone Speaker & Built-in Mic - Wireless Bluetooth Earbuds Compatible with iOS/Android/HarmonyOS for Back to School

​Zero Latency Monitoring:​​ Hear your voice in real-time via built-in HD mic – no awkward delays during video calls or singing.

​Cross-Platform Freedom:​​ Connects instantly to iPhone, Samsung, Huawei, and more. Share earbuds with friends during group projects!

​Smart LED Interface:​​ Glance at battery levels before heading to class or check modes without touching your phone.

​All-Day Endurance:​​ 8hrs playback + 16hrs charging case covers back-to-back classes and weekend adventures.

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Back-to-School Essentials​

Designed for student lifestyles: sweat-resistant for gym sessions, compact case for backpack pockets, and tangle-free charging. Grab your perfect study companion and dominate the semester!

HD Singing & Real-Time Monitoring​: Built-in high-definition microphone with one-click karaoke ear monitoring, letting you hear your voice clearly during singing practice, online classes, or dorm karaoke nights.

13mm Dynamic Speaker for Explosive Sound​​: Custom large driver delivers powerful bass and crisp highs, perfect for music, gaming, and study sessions. Feel every beat with studio-grade audio immersion.

Universal Compatibility​​: Seamlessly pairs with iOS, Android, HarmonyOS phones, tablets, and laptops. No adapter needed – ideal for students switching devices.

LED Power Display & All-Day Battery​​: Self-designed LED screen shows real-time battery/ mode status. 24hrs playtime keeps up with back-to-back lectures and late-night study marathons.

Lightweight & Campus-Ready​​: Ergonomic design stays secure during gym workouts, campus commutes, or group projects. Includes travel case for backpack-friendly portability.

HD Singing & Real-Time Monitoring​: Built-in high-definition microphone with one-click karaoke ear monitoring, letting you hear your voice clearly during singing practice, online classes, or dorm karaoke nights.

13mm Dynamic Speaker for Explosive Sound​​: Custom large driver delivers powerful bass and crisp highs, perfect for music, gaming, and study sessions. Feel every beat with studio-grade audio immersion.

Universal Compatibility​​: Seamlessly pairs with iOS, Android, HarmonyOS phones, tablets, and laptops. No adapter needed – ideal for students switching devices.

LED Power Display & All-Day Battery​​: Self-designed LED screen shows real-time battery/ mode status. 24hrs playtime keeps up with back-to-back lectures and late-night study marathons.

Lightweight & Campus-Ready​​: Ergonomic design stays secure during gym workouts, campus commutes, or group projects. Includes travel case for backpack-friendly portability.