Adjustable and foldable: The earphones have an adjustable headband that makes it perfect for heads of all sizes. The headphones will adjust comfortably without falling off. They are foldable, padded and swivel for comfort. Power supply: Built-in 400 mAh rechargeable battery. Charging durability approximately: 5 hours in playback mode and 6 hours of play with LED lights. Functions: Adjust the volume, change the songs, answer calls, reject calls, hang up calls, Bluetooth playback, call playback, Bluetooth connection, voice prompts, battery screen, FM. TF, EQ, LED lights. Suitable for: work, office/sport/school/travel, PC, console etc. Category: Earbuds & Headsets
