Features: Open Ear Bone Conduction Headphones: Experience music like never before with our Open Ear Bone Conduction Headphones. The unique design allows you to hear your surroundings while still enjoying your favorite tunes. Perfect for running, cycling, and other fitness activities. Back-mounted Minimalist Sports Earphones: Our Back-mounted Minimalist Sports Earphones are the perfect choice for those who want a lightweight and comfortable option for their workouts. The minimalist design ensures they won't get in the way, while the back-mounted style keeps them secure during even the most intense activities. Bone Conduction Bluetooth-compatible Headphones: Get the of both worlds with our Bone Conduction Bluetooth-compatible Headphones. The bone conduction technology allows you to hear your music while still being aware of your surroundings, while the Bluetooth-compatible compatibility means you can easily connect to your favorite devices. Waterproof Wireless Headphones with Built-in Mic: Don't let a little rain or sweat stop you from enjoying your music. Our Waterproof Wireless Headphones with Built-in Mic are designed to withstand even the toughest conditions, while the built-in mic allows you to take calls on the go. Long Battery Life for Daily Life: Our headphones are designed to keep up with your busy lifestyle. With a long battery life, you can enjoy your music all day long, whether you're working out, commuting, or just going r daily routine. Perfect for cycling, fitness workouts, walking, and more. Specifications: Product Model: K69 Bone Conduction Concept Wireless Bluetooth-Compatible Headset Style: Bone Conduction Concept Color: Black Green Pink Bluetooth-Compatible Version: 5.1 Transmission Distance: 10M Capacitor Capacity: 150Mah Use Time: 8-10 Hours Standby Time: 180 Days Charging Time: 1-2 Hours Speaker Resistance: φ Approx. 16Mm/0.63" 32Ω Sensitivity: -42Db Working Temperature: -10-50℃ Include: 1 * Bone Conduction Earphone