Hybird Active Noise Cancelling

Bluetooth Version: V5.4 BLUETRUM

Effective Range: 10m

Working Time: Up to 20 hours (ANC ON)

Working Time: Up to 28 hours (ANC OFF)

Battery Capacity: 400mAh

Charging Time: Approx 3 hours

Rechargeable: Type-C

Driver Unit: 40mm

Speaker Sensitivity: 105 ±3dB

Microphones: 4pcs-Noise,1pcs-Call

Noise Reduction: 30-36dB

BLUETRUM蓝讯 BT8931H

1. Our factory have passed ISO & BSCI & Sedex & NBCUniversal aduits.

2. We have professional teams for design, sale, production, quality for 10 years.

3. We offer 6-month warranty after receiving the products.

4.Plant overview:

Factory area: 8000 square meters;

Total Revenue: (US $8million / Year),  (RMB ￥55 million / Year);

No. of Employees: 300;No.of engineers: 10;No. of QC staffs: 16;Number of produce line: 8;

Production Capacity (in K): Monthly production capacity :

Wired: 260K PCS, Bluetooth: 210K PCS