LED 9D HiFi TWS Bluetooth Earphones BTH-278 - CVC8.0, IPX-5, Bluetooth version: V5.0 Open Box - Excellent: The seal is broken but the product is still in its original packaging, it looks brand new and includes all original parts and accessories. TWS Bluetooth earphones BTH-278 with comfortable and thoughtful design for all-day wear, where earphone only weighs 3.5g, is designed to stay put in your ears and bring you undeniably excellent sound. These Bluetooth earphones have the 2200mAh charging case that fully charges two earbuds about 15 times, offers longer music time, plus the charging case can charge mobile phones directly through the USB ports! Thanks to IPX5 sweat and water-resistant function, TWS Bluetooth earphones are suitable for the gym or outdoor running. Features: - Bluetooth earphones BTH-278 have the 2200mAh charging case that fully charges two earbuds about 15 times, offers longer music time - 8mm dual drive units, enjoy 9D strong deep bass music sound - The earphone can be used for 3-4 hours when it’s fully charged and 80h with the charging case - Charging case can charge mobile phones directly trough the USB ports - IPX-5 sweat and water-resistant design allows you to focus on your intensive workout - Smart touch control lets you activate all features with just a tap on the earphone - Comfortable and thoughtful design for all-day wear, earphone only weighs 3.5g Specifications: - Model Number: BTH-278 - Bluetooth version: V5.0 - Charging time: about 1 hour - Water-resistant: IPX-5 - Support: HSP/HFP/A2DP/AVRCP - Transmission distance: Within 10 meters - Noise reduction version: CVC8.0 - Headphone battery capacity: 3.7V 50mah - Charging case battery capacity: 3.7V 2200mah - Headphone charging time: about 1 hour - Charging case charging time: about 4 hours