Features 1.Upgraded Design: Bluetooth bone conduction headset adopts the latest bone conduction technology, which transmits high grade sound through the cheekbones, allowing you to feel the music environment through your head; Upgraded sound technology and fully enclosed cavity function, reducing sound leakage by 50% and better enjoying music. 2.Bluetooth 5.2 with Microphone. The open ear design of bone conduction headphones does not require insertion into the ear canal. Equipped with advanced Bluetooth 5.2, freeing you from cables, powerful volume and deep bass. The built in microphone, combined with noise cancellation, enables clearer phone calls. 3.Comfortable and Lightweight: 2 bone conduction earbuds let you experience unparalleled comfort, around 29G lightweight, secure fit, no earbuds design allows you to listen all day without ear fatigue. The enveloping titanium frame keeps your wireless headphones stable and in place during intense training. 4.Super Long Battery Life: Our Bluetooth headset comes with a microphone to enjoy more than 6 hours of music, calls, podcasts, and audiobooks continuously. This Bluetooth running headset also has a 5 minute magnetic fast charge and a battery life of about 1 hour. 5.Waterproof and Sweatproof: Open ear headphones has a full IPX5 rating of waterproof and waterproof, even if you sweat during exercise, or run in the rain, bone conduction headphones with microphone are durable enough. (Not suitable for swimming) specificationItem Type: Bone Conduction Headphones Material: ABS Color: Black Battery: Polymer Lithium ion Battery (Built in) Capacity: 180mAh Bluetooth: V5.2 (Transmission Distance 10m/32.8ft) Frequency Range: 20Hz - 20KHz Microphone Sensitivity: -42dB Battery Life: 6 Hours (80% Volume) Charging Often: About 2 Hours PackageList 1 xBoneConductionHeadphone 1 x Charging Cable 1 Pair x Earbuds 1 x Instruction Manual