Product details of Wireless Stereo Headphone MDR 450BT
With Microphone: YesDesign: Over the Head | Type: Extra BassCompatible With: Mobile, TabletSoft Cushioned Ear CupsSwivel DesignExtra Bass For Deep, Punchy Soundwireless version 4.2transmit range 15metercharge time 2.5 houroperating hours up to 4 hoursstandby time about 100 hours