Branded Sony WH-CH520 Wireless Headphones with Microphone as Promotional Swag Item
High quality sound and comfortable, all-day listening in a wireless headphone. The WH-CH520 have an ultra-long battery life of up to 50 hours and a 3-minute quick charge gives you up to 1.5 hours of audio playback.Built in Music Controls and Microphone. Multipoint connection allows you to quickly switch between two devices at once
