Beats By Dr.Dre Earphones Mini - 503 Wireless Bluetooth Stereo Headsets

* Model : Mini-503

* Bluetooth 2.1V+EDR Support A2DP,AVRCP

* Bluetooth chipset: CSR
* Transmitter Power:Class 2

* Output power:45mw

* Operating range: Up to 10M

* Also can wear with removable earhook for either ear

* Sensitivity: 123dB±3dB

* Nominal impedance: 37Ω±15%

* Battery style: 180mAh Lithium battery

* Charging time: 2hours

* Standby time: 180hours

* Talking time: 8hours

* LED indicator status: blue and red

* Available colors: black,blue,red,white