Upgraded Version: This latest version of Yamipho A9 Bluetooth Headset, based on Yamipho-A8, provides better sound quality, upgraded Noise Cancelling, and brings you a more professional business experience Comfortable Fit: 180° flip-boom arm allows to adjust the angle and fit this headset into the right or left ear, ultra light weight won't cause any burden to your ears, providing lasting wearing comfort; 3 different size of ear tips (one on the headset) to provide a snug, secure tailored fit. The ear hook was sprayed with TPU+PC to steady fit around your auricle against falling or slipping Long lasting battery life: Only 2.5h charge time, offering 25 music time, 25h talk time, 320 hours standby. The wireless headset takes little time to charge but can last for all day. 1 month money back guarantee and 12 months replacement warranty, we offer 7*24h technology service, feel free to contact us anytime Connect two devices simultaneously: Allowing two Bluetooth smartphones to connect at the same time. Even if you have two mobile phones, you will never miss a call any more. This wireless earbud will notify the phone number when you have an incoming call, free your eyes for driving Strong multi-function control: Equipped with MBF button to play/pause music, previous/next track, Volume+ /-, active Siri/ voice assitant, call answer/ end, Reject, Redial and Mute. With the mute button you can mute your sound while calling if you need privacy.Super convenient for driving, working and exercise