Feature:1. True Wireless BT5.4: The latest BT 5.4 technology enables stable connection, fast transmission speed, and low power consumption. Quick to pair with BT-enabled audio devices.2. Ear-Hook Design for Secure Fit: The ergonomic ear-hook design ensures a comfortable and secure fit, perfect for any activity, whether you're running, working out, or simply on the go.3. High-Definition Calls: Crystal clear voice quality during calls, even in noisy environments, ensures that every conversation is heard loud and clear, thanks to dual-mic and noise cancellation.4. Charging Case with Battery Display: The compact charging case and earbuds provide about 48 hours of battery life in total. The LED display indicates the remaining power, so you know when it's time to recharge.5. Compact and Portable: The lightweight design makes them easy to carry, fitting neatly into your pocket or bag, and ready for use anytime, anywhere. Whether you're commuting, traveling, or hitting the gym, these earbuds are your perfect audio companion.Specification:BT Version: 5.4Transmitting Distance: up to 10m (no obstacle)Drive Diameter: 10mmFrequency Range: 15-20KHzImpedance: 32Charging Case Battery Capacity: 3.7V 400mAhEarbuds Battery Capacity (Each): 3.7V 35mAhMusic Play Time: about 5 hours (depends on music volume)Earbuds Charging time: about 40 minutesCharging Case Charging time: about 1 hourColor: Black, White (Optional)Package Size: Approx. 15.7*10*4.5cm/6.18*3.93*1.77inPackage Weight: Approx. 136g/4.79ozPackage List:1 * Pair of Earbuds1 * Charging Case1 * Charging Cable1 * User Manual (English/Chinese)