1、BT 5.1: Adopt the latest BT 5.1 technology to ensure the most stable connection and fast transmission without signal loss or music loss. The range is up to 10‑20 meters. The built in microphone is very suitable for hands free calls, sports, work or listening to music, providing wonderful stereo calls and audio quality and clarity. 2、Fingerprint Touch: The new touch earbuds, enhanced touch control, provide convenient operation of the smart sensor chip, and prevent accidental activation of the earbuds. 1 key control and wide compatibility The wireless headset adopts 1 key multi function control design, you can freely switch songs, answer, reject calls, and adjust the volume. 3、Intelligent Noise Reduction, HIFI Sound Quality: The new CVC8.0 intelligent noise reduction technology, even in a noisy environment, you can devote yourself to music. Music flows into your ears effortlessly. Both ears bring highly restored real voice calls, reproducing the clarity of face to face conversations. 4、Lightweight: There are 3 different sizes of earplugs, suitable for everyone. The ergonomic design provides a comfortable fit, reduces the pressure on the ears, and does not feel uncomfortable when worn for a long time. The small size makes it easy to put in a pocket or handbag. Portable power bank, the charging box can charge your mobile phone in addition to charging the earphones. 5、Stylish Design: BT earplugs are made of high quality ABS, which ensures a comfortable touch. Unique creativity and unique design style, unique mirror design, suitable for high end tasters. The LED digital display clearly shows the remaining power of the BT headset, allowing you to keep track of the charging status of the device. 6、Compatible: The true wireless earbuds are compatible with all BT enabled devices, such as for iPhone, for Samsung, for Huawei, for Android, for iOS smartphones, tablets, etc; they also come with simple sports wireless earphones Design, very suitable for sports, gym, exercise, driving, travel, airplane and most places. Item Type: Wireless Earplugs Material: ABS Color: White Wireless Version: V5.1 Protocol: Support HFP 1.7, HSP 1.2, AVRCP 1.6, SPP 1.2 and PBAP 1.0 Speaker Diameter: Approx. 8mm/0.31in Working Distance: Approx. 10m-20m/0.39-0.79in Talk Time: 5-6h Playing Music Time: 5-6h Standby Time: 650h (With Fully Charged Charging Box) Frequency: 2402MHz~2480MHz Sensitivity: 120dB ±5dB Headphone Battery: Lithium Battery 50mAh (Delivered with Battery) Rechargeable Battery: Lithium Battery 2000mAh (Delivered with Battery) Charging Time: 1-2h Working Temperature: -10°~55° 2 x Headphone 1 x Charging Box 1 x Charging Cable 4 x Ear Cap 1 x Manual