1. ENC dual microphone noise reduction, high-definition calls.Using dual-microphone ENC noise reduction technology, calls are clearer, as if two people are chatting face to face. 2. Lower power consumption and stronger battery life.It uses high-performance polymer batteries with low power consumption, further optimizing battery technology and rid of the trouble of frequent charging. 3. Chip upgrade, adding Bluetooth 5.3.Using the newly upgraded 5.3 high version Bluetooth chip, it has higher compatibility and faster and more stable data mission. 4. Ear-hook style wearing, as comfortable as .Ergonomically designed curves, the earphones fit the auricle and receive even force. The earhook part is flexible and elastic. The earphones only weigh 12 grams, giving you a and comfortable wearing experience. 5. The microphone can be rotated and can be worn on both left and right ears.270° rotatable microphone angle, 180° rotatable earpiece, the angle can be adjusted arbitrarily and switched freely.<br><br>6. High-definition sound quality decoding.The 8mm composite diaphragm speaker takes into account both high and low sounds and pays attention to the detailed sound experience. 7.LED digital power display.Using high-definition LED digital display, the battery level of the earphones can be clearly seen at a glance, and the mirror paint process is full of technology. 8. Intelligent one-on-two.You can connect two Bluetooth devices at the same time, switch calls at any time, and get both entertainment and entertainment. 9. Widely compatible with Bluetooth devices.As long as mobile phones, tablets, and computers have Bluetooth capabilities, whether they are iOS or Android devices, they can be connected to them. Parameter: Product number:Wireless Headphones Bluetooth version: V5.3 mission distance: 10 meters Play/talk time: about 20 hours Colour:Blue Material:m