Specification:, The headset uses Bluetooth 5.0 chip, which has faster and more stable transmission and low power consumption., This new Bluetooth headset is designed with smart touch and CVC8.0 noise reduction function, making it extremely convenient to use., Equipped with an LED battery level display headphone charging box, it can also be used as a portable fan and emergency flashlight to meet your different needs., The charging box has a built-in 2000mAh large-capacity battery, which can be used as a mobile power source to charge mobile phones., Product name: Wireless headphones material: plastic Bluetoothversion: 5.0 Single earphone battery capacity: 50mAh (included) Charging box capacity: 2000mAh (included) Transmission distance: >10m Call time: 5-6 hours Music time: 5-6 hours Standby time: 650 hours Headphone charging time: 1-2 hours Supported systems: Works with phones/devices with Bluetooth Features: wireless, Bluetooth 5.0, voltage-free, handheld fan charging box Charging case dimensions: 15.3 cm x 4.3 cm x 4 cm/6.02 inches x 1.69 inches x 1.57 inches (approx.), , Notes:, Due to differences in lighting and screen settings, the color of this item may vary slightly from the picture. Please allow slight size differences due to different manual measurements., Package includes:, 1 charging box 1 pair of wireless headphones 3 earplugs 1 user manual 1 data cable 1 x sling