Bone Conducting Technology: Earbuds that 't go in your ear,Bone conduction bluetooth headphones deliver premium sound through the cheekbones. In contrast to over-ear headphones, wireless running headphones make you a burden-free wearing. It can avoid some dangerous situations from happening as you can also hear the surrounding sound when you use it to listen to music. Ultra-low latency & Clear Call: The wireless headphones are equipped with Bluetooth 5.3 chip for more stable connection, faster transmission speed and stronger signal. 2 mics with environmental noise reduction technology work together to monitor the sounds around you and instantly produce an opposite signal to reduce background noise, allowing you to hear calls like you are communicating face to face with others. Hands free calling during sports anytime and anywhere & Stable Fit: Our sport earphones weigh 0.2 OZ, made of premium soft silicone material, keeps running relax, the open ear design helps you achieve the true painless and harmless as the earphone is no need to plug into the ear canal.With ergonomic surround and streamlined sinking design, the sports bluetooth headphones can keep on ear when running, dance, or wearing glasses. 5 Hours Play & Premium Sound Quality: Bone conduction headphones USB charging and include 400mAh battery, enjoy 5 hours of non-stop music or podcasts, it can greatly reduce natural sound leakage and offer you sound quality. Built-in microphone achieves clearer phone call. Automatic Pairing & Smart Touch Control: Open ear earbuds adopts hall switch. After first connection, these wireless earphones 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. Material: Plastic colour: black Package Contents: 2 x Earphone 1 x Charging Case 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.