Multitip Design: Unique to Defunc the Multitip design was formed first and foremost for a secure fit. However with a secure fit comes a better delivery of sound to the ear. So unlike an earbud design the Defunc can deliver more punch. True Plus has the flexibility of adjusting the head by up to 30 degrees to suit your wearing style. 3 additional sports tips are included for a secure fit during the most demanding activities. The charging case allows for the sports tips to remain on when charging.|Playtime:4-5 hours on a single charge. When combining the charge case there is a total of 35 hours.|Microphone:Dual high-quality microphones are used to ensure calls are clear.|Water Resistance:IPX4 rating. So being caught in the rain while running is not a problem.|