TWS A6S Bluetooth 5.0 Wireless Headset (black) These small earphones produce surprisingly good sound. This product offers excellent cost performance. ※ The included earphone caps are size M. ・ Hands-free calling with a microphone ・ Noise canceling ・ Remaining battery power of the charging case is displayed with an LED gauge. ・ Ergonomically designed to reduce stress on the ears and prevent swelling. ・ Intelligent control for easy touch operation. ・ IPX4 waterproof performance, suitable for outdoor sports on rainy days. ・ Delicate design, portable and compact, easy to carry. ・ Material: ABS, Size: 6x4x3cm. ・ Speaker size: 6mm. ・ Battery capacity: 45mAh, Music time: about 3 hours, Talk time: about 4 hours, fully charged in about 1 hour. ・ The charging case has a large-capacity polymer battery with 80 hours of standby time and a capacity of 280mAh, allowing for 6 charges of one earphone, and fully charged in about 1-2 hours. 【Operation】 Power ON/OFF: 　Long press the left or right button Play/Pause: 　Press the left or right button Previous song: 　Long press the left button for 2 seconds Next song: 　Long press the right button for 2 seconds Volume up/down: 　Up / Press the left button twice 　Down / Press the right button twice Charging and operation check have been performed once. ※ Due to the low price, the product will be shipped in simple packaging.