Features: brand new and high quality brand new and high quality Bluetooth-compatible 5.1 stable and continuous connection, bring better connection performance, call effect, compatibility has been significantly improved. The wireless in-ear earphones are made according to the ear canal and fit perfectly. This earphone can not only ensure the comfort of wearing all day, but also improve the sound insulation effect of the earphone. Exquisite workmanship, simple operation: the exquisite craftsmanship of abs, one-key operation alarm/turn down the volume or turn up. Quick pair as soon as you take out the earbuds from the charging for case. Specifications: Material:ABS Color:Black Bluetooth-compatible Version: 5.1 Operating Range: About 33feet Barrier-free Transmission Distance (10meters Barrier-free Transmission Distance ) Charging Port:Type-C Charging Box Capacity:250mAh Talking Time:About 3hours IPX4 Waterproof Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Pair Bluetooth-compatible Earphones 1x Charging Box 1x Cable 1x User Manual