Spiral Bluetooth Earbuds must be a great promotion for your next promotional event! The earbuds with TWS technology is engineered to provide a stable and swift connection with quality stereo sound. They can be used to play music and pick phone calls last up to 4 hours, and can be recharged couple times in its charging box with 300mAh. Wireless Earphones are designed to fit the contours of the human ear to make them comfortable to wear and not falling out when running, working out.
