1. more than 16 hours talk 2.up to 150h standby 3.including DC charging 4.customized plug Feature: • Enjoy music wirelessly with Bluetooth stereo enabled device • Build-in high-quality 30mm mylar loudspeaker for audiophile grade sound quality.  • Active noise suppression and echo cancellation for superior conversation sound quality • Convenient  AC  charging • Bluetooth™ specification ver.2.1 + EDR • Remote function : Play, Stop, volume+/-  • Hands-Free talking • Mini foldable design,great for travel and out door use  • on-ear design and adjustable headband provide long-lasting comfort • Comfortable leather earcushion • Rolated metall mic that can suit for anybod's month.   16+hours talk time and up to 150hours standby time  As this is our first sample so we could make base on your requirements. If you have any new idear for it , please feel free to contact with us.Our rich experience engineers will do anything for you. Or you can visit our official websit at www.handsfree.com.cn to have a look. Welcome to more information. 

Fashion Bluetooth headset with a rolated mic