Wireless direct earphone, great audio quality and battery life. The case also has an extra charge so you can charge without having to be near the Connector. Description: Bluetooth 5.0 version, using 2.4GHZ frequency, ultra-low power consumption. 2. Both the left and right ears have full Bluetooth headset function. They can be used alone or in pairs, listening to music and making calls. 3. Use an explosion-proof steel frame to recharge rechargeable lithium batteries. It has a super capacity of 85mA and can make continuous calls for 4-5 hours. 4. The newest Bluetooth 5.0 technology, range up to 10 meters (no coverage)5. It has CVC6.0 intelligent noise cancellation function.Specifications:material: ABSProduct model: Ly-112Functions: music playback, answer / hang up call, replay, voice commands.Headphone battery capacity: 3.7v 85mAhConnection distance: 10 meters (barrier-free)Charging time: 1-2hUsage time: 2-3 hoursPACKAGE CONTENTS:2. Ly-112 TWS headphones.1. Charging box.2. Spare erasers.1. USB cable for charging.