A2DP streams music, podcasts, GPS and morePlantronics Vocalyst™ voice and text servicesEnhanced voice alerts for added convenienceiPhone headset battery meterDual-mic AudioIQ2 noise cancellationThree layers of wind noise protectionComfort-tested for extended wearLightweight, yet durable construction, Multipoint technology connects one headset to two phonesUp to 6 hours talk and 5 days standby timeWhispered voice alerts for low battery and moreKXTG7431B