More FAQ.Please check it at the end.

HIFI-grade MusicHeadphones Suitable forMobile Phones/Computers

ANC Hybrid Active NoiseReduction Technology Low Latency Game Mode High Quality Memory Foam SoftSkin-friendly, Comfortable to wear,Light and breathable Bluetooth 5.1 StableConnection 40MM Dynamic Coil LargeSpeaker Unit

HIFI Sound Clear Voice Calls

Original sound BGM

Foldable Storage More Flexible To Carry Out

40MM Large Size Shocking Dual-core Power Speaker

New Upgraded 5.3 Chip Bluetooth Lossless Sound Quality

Lightweight Design

Surround Sound Music/ANC Dual Mode Switch

HIFI-grade Music Headphones

Features:

1.[HiFi-Grade Music Experience / Bluetooth 5.1 Lossless Sound]
Enjoy HiFi-quality music with an upgraded Bluetooth 5.1 chip for a pure and lossless audio experience.

2.[40mm Large Dual-Core Speaker / Deep & Powerful Bass]
Equipped with a 40mm dynamic driver and dual-core power technology, delivering deep bass and powerful sound output.

3.[HD Voice Calls / Immersive Surround Sound]
Advanced HD voice technology ensures crystal-clear calls, while surround sound enhances your music experience.

4.[Foldable Design / Easy to Carry]
Featuring a foldable arm structure for convenient storage and portability—take your music anywhere.

5.[Lightweight & Comfortable Wear / Skin-Friendly Breathable Earmuffs]
Designed for long listening sessions with a lightweight body and breathable ear cushions for maximum comfort.

6.[Music / ANC Dual Mode Switching]
Seamlessly switch between music mode and ANC (Active Noise Cancellation) mode to adapt to different environments.

Specification:

[Model]: Lenovo TH30

[Bluetooth Version]：V5.3

[Transmission distance]: 10 meters

[Battery Capacity]: 250mAh

[Charging time]: about 2.5 hours

[Horn Diameter]:  40mm