Plantronics M90 is a lightweight and comfortable Bluetooth Headset, featuring soft ear-tips for most stable and comfortable fit for all day use. The headset offers three language options for status alerts while control button allows you to control music tracks and volume without touching your smartphone. The M90 also reduces the noise, wind and echo from calls to delivers HD audio clarity. Moreover the rechargeable lithium ion polymer battery provides up to 11 hours talk time and up to 16 days standby time while DeepSleep hibernation mode keeps headset charged up to six months. It features Bluetooth version 3.0 and it can pair and maintain connections with two phones and answer calls from either phone.