Green Lion SyncFit Duo Earbuds Pro2 + Active SE consists of an earbud and a smartwatch. The earbuds Pro can play nonstop music for up to 5 hours, and the case also has 20 hours of charging power. This earbud uses Bluetooth v5.3, which offers a strong and stable connection within 25 meters. The Active SE Smartwatch uses a 250mAh battery to deliver the needed performance. This watch can last up to 10 days on standby and takes 3 hours to fully charge. The last feature of this product is the IP67 water resistance, which makes it perfect for everyday use. Specification Active SE Smartwatch  Display: 2.01" IPS, 240*296 Full Square Wireless Connection Version: 5.0 Charging Type: Wireless Charging Standby Time: Up to 10 Days ROM: 64MB Battery Capacity: 250mAh Waterproof Level: IP67 Charging Time: 3 Hours 2nd Gen Earbuds Pro2 Earbud Battery: Up to 5 Hours Charging Case Battery: Up to 20 Hours Connectivity: Bluetooth V5.3 Bluetooth Range: 25Mtr Charging: Type-C Cable