The Green Lion Smart Display Earbuds feature Bluetooth V5.3 for a stable connection and a 10-meter working distance. Enjoy up to 5 hours of music time with each earbud, powered by a 30 mAh battery. Fully recharge your case in just 1.5 hours, ensuring your earbuds are always charged up. The key feature of this device is the 1.83-inch curved screen on the charging case, offering a smart display for easy navigation. The 13mm speakers of thisearbud deliver high-quality sound, and using environmental noise cancellation reduces background noise. The Green Lion Smart Display Earbuds use multi-function touch controls, which makes navigation easier and allows you to stay in control wherever you go. Specification Bluetooth Version: V5.3 Music Time: 5 Hours Working Distance: 10 Meters Buds Battery Capacity: 30mAh Case Battery Capacity: 500mAh Charging Time: 1.5 Hours SKU: GNSDEARBUDBK | GNSDEARBUDBG EAN: 6935100188492 | 6935100188508 Features 1.83 Inch TFT Curved Screen ENC Brass 13mm Speaker Multi-Function Touch Environmental Noice Cancellation