100% brand new and high quality Features: Bluetooth-compatible 5.0 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. Quick pair as soon as you take out the earbuds from the charging case. CVC8.0 intelligent noise reduction call, intelligent filtering noise makes the call clearer. Specifications: Material:ABS Color:Black,White(Optional) Bluetooth-compatible Version: 5.0 Operating Range: About 33feet Barrier-free Transmission Distance (10meters Barrier-free Transmission Distance ) Charging Port:Type-C Charging Box Capacity:300mAh Music/Talking Time:About 16 hours Frequency:2.4G Impedance:16R Signal Shielding: 95dB Sensitivity:101.7dB+/-3dB Note: Please allow 1-2cm errors due to manual measurement,pls 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 User Manual