Sony Wireless Bluetooth WH-CH500 NFC On-Ear Headphones - hands-free calls with the high-quality built-in microphone. Connect, listen, enjoy and indulge in a seamless personal audio experience with the Sony WH-CH500 wireless headphones, Speak to your friends, and talk to your voice assistants without even taking your phone out of your pocket or bag. Press and hold the play button to activate the voice assistant on Android or iOS and make easy. SONY Wireless Headset WH CH 500,Siri Voice Assistant functionality,Charging time:4.5 hours,Built-in Speaker Phone,Bluetooth/FM Radio/TF card,Yes,Other Features include:Wireless bluetooth,battery rechargeble,Headphone over ear,High Quality Sound,Hands Free Call.20 hours music playtime and Wirelessly stream: high-quality sound. Slim and adjustable headband ear pad is soft to feel.