Lightweight and comfortable bone conduction headphones. This model is ideal for "while listening" use during high-intensity sports and in environments where you need to hear ambient sounds, such as commuting to work or school. - Brand: SHOKZ - Model Name: OPENRUN Mini - Type: Bone conduction headphones - Color: Black - Features: Dustproof and waterproof (not for swimming) - Continuous playback: Up to 8 hours - Charging method: USB-C Purchased on Amazon at the end of November 2024. The main unit has been used about once a month, and all accessories are unused. Warranty is not transferable. Price will be reduced over time, so please refrain from negotiation comments.