Sony WI-C100 Wireless In-Ear Headphones, White + Tech Smart USA Audio Bundle Straps Using this proprietary focused technology

Using this proprietary focused technology gives you the best clarity

Signal-to-noise - >120 dB(A)

Covers 50mm standard focal length up to 400mm at the ultra-telephoto range

2 mm (with Stand in Narrow Position)

Sony WI-C100 Wireless In-Ear Headphones, White + Tech Smart USA Audio Bundle Straps Using this proprietary focused technologyMade for the day ahead Wireless Bluetooth headphones that take your music wherever life brings you. With up to 25hrs of battery life, the WI C100 headphones provide high quality listening. Comfortable and easy to use, these headphones provide piece of mind with a IPX4 Splash resistance design. Product Highlights: Long battery life of up to 25 hours DSEE restores high frequency sounds lost in compression Splash proof and sweat proof with an IPX4 rating