Sony Wireless Earphones Bluetooth Up To 20 Hours of Continuous with 2017 Blue WI-C400 Compatible, Playback, In-ear Type, Microphone, Model, (WI-C400

When there is an incoming call on the paired smartphone, the neckband vibrates to notify you of the incoming call. Hands-free calling supported Cable length is adjustable Achieves up to approximately 20 hours of long-lasting wireless listening. Easily control your smartphone or other player from your neck. No noise cancellation function Charging time: Approximately 4.5 hours Accessories: USB cable (approx. 50cm micro USB cable), eartips (hybrid eartips SS, S, M, L (2 of each)), warranty card, instruction manual, reference guide