Riviera Rnb-08 Bluetooth Earphones 50 Hours Music Playtime in-Ear Wireless Headphones with Mic&Deep Bass - Advanced Bluetooth V5.1 -5U SPEAKER & 10MM DRIVER TECHNOLOGY - POWERFUL BATTERY BACKUP The updated 280 mAh Battery -56 Hrs. of Talk Time and 250 Hrs. of Standby Time - BLACK (LANE B16)