Experience true wireless freedom with Lenyes Tws Wireless Bluetooth Earphones. With advanced 5.3 Hifi technology and smart touch controls, enjoy high-quality sound and convenient handling on the go. No more tangled wires, just pure listening pleasure. Features Wireless version : 5.3 Wireless effective distance : ≥15 meters Horn Internal resistance : 32Ω Frequency response : 20Hz - 20KHz Headset battery : 40mAh* 2 Duration : 7H (70% Volume, ANC off) Charging time : 45 minutes Specifications AIR 80 Model : LENYES AIR 80 ANC Wireless version : 5.3 Wireless effective distance : ≥15 meters Horn Internal resistance : 32Ω Frequency response : 20Hz - 20KHz Headset battery : 30mAh*2 Duration : 6H (70% Volume) Charging time : 1H Specifications Case Charging Charging battery : 2000mAh Charging port : Type-C / USB Charging time 3H USB Output port 5V-1A