Features of Bluetooth Headset:

Bluetooth Version: CSRv2.1+EDR
Profiles: Headset, Handsfree, AVRCP
Class:2
Operation Range: 10M
Talk Time: 4 Hours
Listen Time: 5 Hours
Standby Time: 180 Hours
Compatibility/Pairing: All Bluetooth devices V2.1 and under
Power Source: Built in Rechargeable Li-ion Battery
3.5mm earphone jack
Included earphones with built in MIC
Music playing controls- play, pause, stop, prev/next track, volume up/down

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Package Contents:

1 x Earphone with Built in MIC
1 x Power Supply Adapter
1 x User Manual