brand new and high quality Features: Unique Sports Headphones with Ear Hooks to Ensure the Earbuds Won'for t Fall During Exercise, Completely in-ear Design, Ergonomic, So that You will not Feel Tired and Pain When Wearing it for a Long for Time. The ergonomic in-ear design is not easy to fall from the ear and maintain a firm position, suitable for sports, running, driving, exercise, fitness, relaxation, travel, etc. Unbelievable stereo music quality, excellent details bring a good listening experience, excellent sound quality and call clarity. The intelligent noise reduction function can reduce environmental noise, ensuring that you will not miss any rhythms and enjoy music anywhere. Say goodbye to the tedious manual activation, take out the headset from the charging box, and then automatically start matching. Mini is lightweight, does not take up your space, portable, and easy to carry around. Bluetooth-compatible version: V5.0 Headphone capacity: 35mAH Charging box capacity: 200mAH Transmission frequency: 2.402GHz~2.480GHz Transmission distance: 5-10 meters Talk time: 2 hours Playing music time: 2-3 hours Pure standby time: 100 hours material: plastic Size: app.12x12x4cm/ 4.8x4.8x2in Available colors: black and gray, black and gold, black and red Quantity: 1 set Package includes: 2 x Bluetooth-compatible Earbuds(left and right ears) 4 x Earmuff