E1 wireless 4.1 headset lightweight one ear earphone 10m hands free 50mAh for 4 hours talk and 55 hours standby time multi-point connection.
Mini bluetooth Headset with 40mAH Battery, 4.5 hours Talk time and music time
E26 Peaceful sound headset Wireless 4.2 lightweight one ear earphone hands free ear hook 50mAh battery for 3 hours music playback and 70 hours standby.
E28 Cool road Wireless 4.1 headset 45mAh battery for 3.5 hours of calls / music and 90 hours of standby hands free earphone.
E31 Graceful Wireless V4.2 headset 55mAh battery for 3 hours talk / music and 90 hours standby, hands free earphone for Apple phones and some Android phones.