Sony Wireless Earphones Bluetooth up to 20 hours of continuous with 2017 Blue L WI-C400 compatible, playback, in-ear type, microphone, model, WI-C400

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. When there is an incoming call on the paired smartphone, the neck part will vibrate to notify you of the incoming call. Supports hands-free calling Adjustable cable length Achieves long-term wireless listening of up to approximately 20 hours Easily operate players such as smartphones on your neck No noise canceling function Charging time: about 4.5 hours Accessories: USB cable (approximately 50cm micro USB cable), earpieces (hybrid earpieces SS, S, M, L (2 each)), warranty, instruction manual, reference guide