Delton Wireless Headset Superior 10X Microphone built for clear calls / chat. The mic is also adjustable to pick up your voices loud and clear. Provide crystal-clear conversations even in noisy environment. Ergonomic, on-ear controls button for convenient use. Upgraded T Pad design keeps your head clear & hairstyle smooth. Enjoy extended comfort with enlarged comfortable ear pad and adjustable headband. Talk Time: about 18 hoursStandby Time: about 220 hoursHeadset & Handsfree ProfileBluetooth v4.1, CRS Blue Core 8615Frequency: 2.4GHz-2.4835GHz, ISM BandRF Sensitivity: >=75dBmCharging Port: USB portBattery: Rechargeable Li-polymerConnecting Range: up to 10m / 33ft Use With Either Ear It's silly for bluetooth headphones to restrict you to a particular ear. Delton's headset allows for full rotation of the mic so that you can position the headset on both the left ear and the right ear comfortably. Easy Pairing Delton Bluetooth Headset can pair with 2 Bluetooth devices simultaneously. Apart from phones, delton is compatible with tablets, laptops, Bluetooth-enabled computers and more. Designed with solid structure and supreme material,which ensure the super performance and make it very durable. Clear Call Technology After pairing, Delton Bluetooth headphone can stay connected with the phone within 10m/33ft, You can walk and talk with no worries, making it possible to hold on with hand released for other work. Have all day conversations, with up to 18 plus hours of talk time and 200 hours of standby time. Full Array of Features Easily manage every aspect of your calls with the control buttons including call manage, volume control, and mic mute option. The rotating mic and comfortable ear cushion make this versatile bluetooth headset an ideal option for working from home or while traveling. Comfort Wireless talk with Delton Bluetooth headphones – perfect for making phone calls, video calls, skype conferences, customer care and more. This lightweight headset, with the adjustable headband and padded earmuff, causes no pain to your head, enabling you to keep a clear mind while using the headset. Hassle-Free Packaging There's nothing more aggravating then getting an item you ordered only to be stymied by plastic, unnecessary tape, or cumbersome foam. Our environmentally-conscious packaging holds your headset securely in transit, but can be easily opened and discarded so you can get your item setup and ready to go right away.