Model Number

KN-B-S003

Name: EX-520 bluetooth stereo earphone

Product specification:

1.Bluetooth Verge: bluetooth V2.0 and connect V1.1and V1.2 index.  

2.Supports: Headset Profile??span lang="EN-US">Handfree Profile A2DP AVRCP

3.Transmission power: Class2

4.Frequency: 2.4G

5.Transmission distance: 10M

6.Microphone sensitivity: [-45dB??span lang="EN-US">0dB=1V/Pa,1KHz)]

  Basic performance

1.Weight: 9.6g

2.Talking time:5h

3.Standing time:120h

4.Charging Time: <2h

5.Charging current: 80mA

6.Charging voltage: 5V

7.Operating voltage: 3.3--4.2V

8.Charger power sourse: 110-240V

9.Ambient temperature: For the battery power and life expetancy ,please keep its temperature between 15°C and 25°C .

10.Aplicable model:Compatible with all brands of Bluetooth as hands-free cell phone use ,supporting bluetooth stereo road and MP3,with the bluetooth adapter,Voice chat online.

  Additional performance:

1.Battery: inner-set rechargeable Lithium battery 3.7V/120ma.

2.Wearing way:ear hook.

3.Overall color:silver/black   

4.Other features: compact disign??span lang="EN-US">can be operated by one hand and use the technology of noice reduction and echo suppression.Sound quality is stil excelent any noisy environment.Use safely??span lang="EN-US">low-E.Exquisite design,casing wear resistant UV technology.

5.Product attachment:USB charger,instruction and ear-hang.