These 5.0 wireless bluetooth earbuds comes with charging case that allows you to charge several times and can connect as far as 20 meters. Compatible with Bluetooth-enabled IOS and Android devices. With just 1.5 hours of charging, stand by time can last up to 100 hours for single ear and 60 hours for both ears. Features Bluetooth version: Bluetooth V5.0 Bluetooth chip: JIELI Battery capacity of charging case: 200mAh Effective distance: 20 meters Built-in battery capacity: 30mAh Music playing time (70% of the battery): 3 hours Charging time: =1h Price Includes: Free setup Free 1c silkscreen imprint on 1 side Free virtual proof Free logo PMS matching Free standard shipping to 1 continental US commercial location