Tiamat True Wireless Earbuds, Bluetooth Headphones, Advanced Mini Bluetooth V4.2 Earphones, IPX5 Waterproof Headset with Upgraded Battery and Charging Case Market Leading Technology: Enjoy the latest Bluetooth V4.2 and CVC 6.0 noise canceling technology with this true wireless earbuds. The headphones Support both iOS and Android devices. Effortlessly pair one and the other automatically synchronizes. You can check connection and power status easily on your phone. Great Sound Performance: Precisely tuned for fantastic resolve and moderate bass, this Bluetooth headset find a balance between comfortable sound for music and clear human voice for phone calls. You can either enjoy Hi-Fi music while sporting or make a hand-free call during driving. Long-Lasting Working Time: 3 hours of music playback when fully charged and a total of 24 hours by adding the portable charging box, longer than most of other earbuds. The 700mAh charging case can also work as an emergency power bank, easily recharge an iPhone 7 from 0% to 35%. Comfortable and Cozy Experience: With special ergonomic design, these little in-ear buds can stay firmly but also comfortably in your ear. Lightweight feature makes the earphones nearly unperceivable, ideal for exercising, running and driving. Reliable Quality and Warranty: IPX5 water resistance protects the earbuds against rain and sweat. The mini buds also passed 1.5m drop test, so you neednt worry about unexpected drop or shock. 30-day money back and 12-month free warranty come with this product. Please feel free to reach our friendly customer support.