Specification:

Model:Mini 503

Weight:40g

Voltage:3.7V

Color:black， red， blue，champagne，white，golden

Channel :stereo

Talk Time:14 hours

Main Chip:3.0 + EDR

Speaker:30 speaker

Standby Time:250 hours

Bluetooth Version:V3.0 + EDR

Compatible With :V2.1， V2.0， V1.1

Charge / Discharge protection:IC

Battery Rechargeable:Lithium Polymer

Frequency Range :2.4G

Frequency Response Range:20-20KHZ

Transmission Power:Class2

Transmission Frequency:2.4GHz

Transmission Distance:10 meters

Average Sensitivity:105DB (AT 1KHZ +3 DB)

Supported File Formats:A2DP， Headset and Handsfree mode

Package Included :

1 x USB Cable

1 x Bluetooth Mini 503 Headset (not include package box)