This earphone adopts a very mini design style, and the ear clip half-in-ear design is ergonomic, healthy and comfortable, and does not need to be inserted into the ear, and the ear size does not need to be selected. 8D surround sound, 5.0 binaural chip, large-capacity wireless bluetooth headset, using bluetooth 5.0 technology, can be easily paired and connected with smartphones, not limited by wires, bluetooth connection is stable, free your hands without delay. Fingerprint touch, no pain to press, multi-function integrated, easy to operate. CVC8.0 intelligent noise reduction technology is adopted to intelligently filter noise, and the call is as clear as a face-to-face conversation. large-capacity charging compartment is equipped with an LED power display while ensuring the long-term battery life of the earphones. The remaining power of the left and right earphones and the charging compartment is clear at a glance, avoiding the embarrassment of the earphones suddenly running out of power. The earphones can be used for up to 4 hours (combined with the charging box for about 120 hours in total), and the 2200mAh charging box can charge a single earphone about 20 times. Two earphones can be connected to one mobile phone at the same time, or each earphone can be used separately. You can freely switch between the left and right earbuds without any extra pairing steps or interruptions. Bone conduction bluetooth earphones, lightweight design brings you an excellent sports experience, whether in the gym or outdoors, suitable for running, cycling and other sports. Charging Compartment Capacity: 2200mAh Headphone Capacity: 50mAh Cumulative Music Time: about 120h Charging Time: 1.5h Charging Method: USB Bluetooth Version: 5.0 Connection Distance: 10M (barrier-free) Material: Plastic Color: Black, White, Beige, Red(optional) Weight: 150g Package List: 1 x Bone Conduction Headphones 1 x Charging Cable 1 x Manual