Features: Comfortable suspension wear headphones, just clip on your ears, no need to insert into your ear canal at all, reduce your hearing damage; no feeling, just like not wearing Open buds is a new style of true wireless open ear earbuds with innovative ergonomic design and high quality memory silicone that clips snugly to your ears without pinching. The open ear headphones are perfect for running, exercising and outdoor sports When you enjoy music, movies, sports, Podcast and driving, you can feel the sound of the outside environment. Improve personal safety and be able to respond politely to others Bone conduction earbuds are equipped with the latest Bluetooth 5.2 chip to ensure a smooth and immediate connection. The headphones are based on the design concept of Hi-Fi professional headphones, giving you clear sound, powerful volume, and a rich bass experience Poseeruiz New style design, mini shape is more heartwarming, which its not only a earbuds, but also a beautiful earring or other beautiful decorations；Make you more attractive, more suitable to give to friends, relatives, neighbors as a gift, which must be very novel! Specification: Bt version：5.3 Support protocol：A2DP/HFP/SPP/HID/PBAP Bluetooth range：≥10m Battery capacity：50mA Charging box battery capacity：400mAh Charging time：About 1 h Call playing time：About 4-5 h Speaker size：14mm MIC Sensitivity: -42dB±3dB Frequency response：40Hz-20KHz Impedance：32Ω Sensitivity：106±3dB Charging specification：5V/1A Operating voltage：3.7V-4.2V Packagingwhat's in the box: 2 * Wireless Bluetooth Earphone 1 * Charging box 1 * type-c charging cable 1 * User manual