•Nature line in-ear headphones made of durable PLA (Polylactic Acid) material, which is obtained from 100% natural resources such as corn starch, cassava, or sugarcane, and can be converted into 100% compostable at the end of its useful life cycle. •Bluetooth® 5 connection.0 and hands-free function, with elegant bamboo cover. •Ergonomically designed, they include a touch control button integrated into the headset, with a matching charging base. •Rechargeable, with Type C cable included. Bluetooth connection. Battery 30 mAh/ Charging Base 250 mAh PLA, metal alloy, bamboo.