Brand Name : Huawei

Communication : Wireless

Origin : Mainland China

Certification : CE

Active Noise-Cancellation : Yes

Volume Control : No

Control Button : No

Style : In-ear

Support Memory Card : No

Vocalism Principle : Dynamic

Support APP : No

Line Length : 0m

Model Number : FREEBUDS 4i

Resistance : 32Ω

Function : Common Headphone,Sport

Is wireless : Yes

Waterproof : No

Frequency Response Range : 20 - 20000Hz