F9-5 TWS Wireless Earbuds, Wireless Bluetooth Headphone, Touch Control Noise Cancellation Earbuds with LED Display, Gaming Headphone with Built in Mic, F9 Earbud with Power Bank

Bluetooth Specification: The wireless earbuds utilize Bluetooth version 5.0, ensuring efficient and stable connectivity with compatible devices. Bluetooth 5.0 offers improved data transfer rates, longer range, and better energy efficiency compared to previous versions.

Bluetooth Profiles: A2DP, AVRCP, HFP, HSP The earbuds support various Bluetooth profiles, including A2DP (Advanced Audio Distribution Profile) for high-quality audio streaming, AVRCP (Audio/Video Remote Control Profile) for controlling playback, HFP (Hands-Free Profile) for call functionality, and HSP (Headset Profile) for basic audio communication.

Working Voltage: The earbuds operate within a voltage range of 3.1V to 4.2V, ensuring proper functionality and performance throughout their battery life.

Charging Voltage: The charging process for the earbuds is optimized with a voltage of 5V and a current of 1A, which helps in efficient and safe charging.

Headset Capacity: Each individual earbud has a battery capacity of 50mAh. This capacity determines how long the earbuds can operate on a single charge.

Storage Box Capacity:  The included storage or charging box has a capacity of 2000mAh. This box acts as a portable charger for the earbuds, allowing multiple recharges before needing to be charged itself.

Transmission Distance: The earbuds can maintain a stable connection with the paired device at a distance of over 10 meters, providing freedom of movement without sacrificing audio quality.

Call Time: The earbuds can be used for phone calls continuously for approximately 4 to 5 hours on a single charge. This ensures a reliable and long-lasting calling experience.

Play Time: Similarly, the earbuds offer a playback time of around 4 to 5 hours for music, podcasts, or other audio content on a single charge.

Charging Time of Headset: The earbuds can be fully charged in just 35 to 45 minutes, allowing for a quick turnaround between uses.

Charging Time of Charging Box: The charging box itself takes approximately 1 hour to be fully charged. This box can recharge the earbuds multiple times before needing to be charged again, making it a convenient accessory for on-the-go use.