Specifications: Product name: Bluetooth Earphone Bluetooth version: 5.3 Earphone type: Neckband Microphone: Yes Noise Reduction: Active Waterproof: Yes Playback Control: Yes Battery: 80mAh Battery Lif more→e: 20 hours Distance: 15 meters Charging: About 1.5 hours Features: 【Open-ear Design Headphones】 Feature with a new generation of true open-ear wireless earbuds design, the headphones can rest gently and firmly fit your ears without entering your ear canal, which will reduce stress and hearing loss after extended wear. There is no pinching of the auricle, no blockage of the ear canal, and no pain or damage to hearing. 【Powerful Stereo Sound】 Equipped with 16.2 millimeters vibrating