BT9728B Bluetooth Wireless Headphones Headsets With Microphone for Adults | Consumer Electronics | Headphones & Earphones
BT9728B Bluetooth Wireless Headphones Headsets With Microphone for Adults
Hong Kong
Booth: 5F-E04 | Audio Visual Products |
Product Specification
Effective range

10 meters

Sensitivity

105dB +/-3dB

Frequency Response

20Hz - 20KHz

Rated Power

20mW

Microphone

Bulid-in

Charging time

Approx 2.5hours

Standby time

Up to 200 hours

Impedance

32ohm

Battery

300mAh

Input time

DC: 5V/300mAh

Driver Unit

40mm*2

Rechargeable

Type-C

Working time (not open ANC)

Up to 20 hours(At 50% Volume)

.Bluetooth standards

Bluetooth V5.4

Working time (ANC)

Up to 12 hours;(At 50% Volume)

Product Description

ANC Bluetooth Wireless Headphones Headsets for Adults


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

Production Lead Time

30~45 working days days

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