Sony wireless noise canceling stereo headset W with microphone MDR-EX31BN MDR-EX31BN / /

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. Model: Closed dynamic type Driver unit: Approximately 13.5mm Mass: Approx. 34g Power source: Lithium-ion rechargeable battery (built-in) Charging time: about 2.5 hours Model: Electret condenser type Directional characteristics: omnidirectional Accessories: Hybrid earpieces S, M, L (2 each), micro USB cable