【The Latest Bluetooth 5.0 Earbud】 Our Bluetooth earbud uses Bluetooth V5.0 technology and high-sensitivity antenna, strong connectivity. It features natural and excellent HiFi sound, focusing on the ability of deep basses. The best Bluetooth transmission range is 33-65ft, and the call range is 16-33ft. 【Super Lightweight and Comfortable Fit】With a Ultra-light weight of 6g and ergonomic design, this Wireless Earbuds can fit your ears perfectly. You never need to worry about them falling off easily during exercise, no pain even if you use it for a long time. Offer you the most secured and comfortable wearing experience. 【Upgraded Faster Wireless Charging】Enjoy fast charging, to fully charge the rechargerable case only 1.5 hours via fast charge USB-C cable or less than 2 hours via wireless charger. Playtime lasts for over 7 hours from single charge and total 40 hours with charging case.