Name: Bluetooth headset Bluetooth V5.3 Function:Play/Pause:up/down song;Answer/Reject Headset: 2.8 * 2.5 * 1cm weight 3.8g Electrical compartment:6.3*5.*2.7cm weight 27.4g Battery:Headphone 30mAh:Headphone compartment 180mAh with protective plate Charging: type-c Speaker:F13 noise cancelling speaker Music/Call:4hours Colour box:9*9*3cm Full set of configuration: colour box + headset + charging cable + manual Description Advanced Bluetooth Technology and Stable Connection: Equipped with the latest Bluetooth version 5.3 and 7003D8 chip solution, it ensures excellent wireless connection performance, providing low latency, high stability, and longer operating distance (>10m). Supports A2DP, AVRCP, HFP, and HSP protocols for a smooth and versatile user experience. Compact and lightweight design: The headset measures only 2.82.51cm and weighs only 3.8 grams, making it virtually unburdened even when worn for long periods of time. The charging compartment is compact and portable, measuring 6.3*5.*2.7cm and weighing 27.4g, making it easy for users to carry it with them wherever they go, making it perfect for daily travel or travelling. High-performance battery and fast charging: each headset has a built-in 30mAh battery with a 180mAh charging compartment with protective plate, which provides up to 4 hours of music playback or talk time to meet daily needs. the Type-C port supports fast charging, allowing users to quickly recharge their devices and reduce waiting time. F13 Noise-Cancelling Speakers & Premium Sound: Featuring F13 noise-cancelling speakers, the device not only effectively filters out ambient noise, but also provides a clear, rich sound performance that immerses users in the world of high-quality music. Whether in a noisy environment or a quiet night, you can enjoy the best audio experience. Multi-functional operation and compatibility: supports play/pause, switch up/down tracks, answer/reject calls and other functions through simple button operation, and can directly activate the voice assistant, making the user's operation more convenient and intelligent. In addition, the product comes in a beautiful colourful box with headphones, charging cable and manual, providing a complete out-of-the-box experience.