1、0 Bluetooth, stable core upgrade, V0 core upgrade chip, more stable transmission, easier connection, more smooth communication and listening to songs. 2、Binaural noise reduction, high‑definition calls, using cvc intelligent noise reduction calls, according to the environment to reduce environmental sound, like face‑to‑face conversation. 3、Intelligent digital display clearly visible, left and right headphones and charging compartment power, clearly visible. 4、Fit and wear comfortable, adopt three‑point fitting design, wear comfortable, unconsciously sink into it. 5、Bluetooth headset, more stable transmission, simpler connection, more pleasant listening to music and talking. 1x Charging Compartment2x Headset1x Connecting Line1X Manual Condition: 100% Brand NewItem Type: Bluetooth HeadsetMaterial: ABSColor: As Pictures ShownBluetooth Version:V 5.0Noise Reduction Version:CVC 8.0Working Distance:approx 10m/33ftMonaural Capacity:50mAhCharging Compartment Capacity:2000mAhAuto Boot: SupportAutomatic Pairing: SupportMusic Time:Approx 120h(It Should Be Used In Conjunction with The Charging Compartment)Call Duration:Approx 150h(It Should Be Used In Conjunction with The Charging Compartment)Number of Charges:Approx 25 TimesCharging Compartment Input Current:5V1AButton Light: Red and Blue