Material: ABS + silicone, size: 6 * 5.1cm. Bluetooth 5.3, 36H long-lasting battery life, HIFI lossless high definition sound quality, binaural CVC high definition call, smart touch, take out the connection, LED intelligent digital display, Siri voice assistant; Compatible with IOS, Android, windows systems; Charging compartment capacity 400mah Earphone capacity 40mah; Waterproof IPX6, ear clip type does not fit into the ear. Open Ear Safety connection -- In contrast to over ear Earbuds,Open Ear wireless ear clip bone conduction bluetooth headphones allows sound to reach the inner ear through the ear bone,effectively protecting the child's and yours Hearing,Earbuds that don't go in your ear help you have a safer life,stay motivated with your favorite audio while also being aware of your surroundings. Random Use Single / Two Earbud -- Upgraded technology allows you to randomly pick one mini earbud (either left or right) for instant use when you are driving on the road or working in the office, with no need to worry if its the master earphone and working right away. 0.13 OZ Lightweight & Soft Wear & Stable Fit -- Our wireless sport earphones clip on headphones made of premium soft silicone,weigh 0.13 OZ,Ergonomic and comfortable,open ear earbuds keeps running relax,Pain-free design.Compared with over the ear headphones, wireless clip on bone conduction running headphones help you Feel free to wear,even if you wear glasses. 5 Hours Play & Suitable for the Crowd -- Bone conduction headphones bluetooth USB charging and include 400mAh battery, enjoy 5 hours of non-stop music or podcasts,Suitable for people who like outdoor sports, such as running, hiking, cycling, etc.; Open ear headphones are suitable for wearing headphones all day long, need to protect their hearing. Clear Call & Premium Sound Quality & Ultra-low latency -- Earclip Bone conduction headphones,Advanced bluetooth 5.3 headset connects to your mobile phone or other devices faster and more stably than Bluetooth 5.0,it can greatly reduce natural sound leakage and offer you a premium sound quality. 2 Built-in microphone achieves clearer phone call,allowing you to hear crystal clear calls like you are communicating face to face with others. Automatic Pairing & Smart Touch Control -- Open ear headphones adopts automatic switch. After first connection, wireless ear clip headphones will connect with your device once you open the charging case, which is faster and more convenient. During using, you can touch either earbud to control the phone, such as the music switch, volume adjustment, phone calls, voice assistant, etc.It is compatible with IOS, compatible with Android smartphones, compatible with Macs, computers or laptops.