BK Wireless Wireless Up To 21 Hours Enhanced Call Water Low Latency Single Ear Use Black BK Audio-Technica ATH-CK1TW Earphones, Bluetooth/True

Technical compliance mark certified product (frequency band: 2.4GHz band) ● Earphones designed for easy and comfortable wear, with a design that allows for easy gripping and a tactile feel, making them less likely to slip from your hand. ● Newly developed lightweight charging case for easy portability. The case is designed at an angle that makes it easy to remove the earphones, and is made of the same tactile material as the earphones, making it less likely to slip from your hand. Includes four sizes (XS, S, M, L) of soft silicone eartips for optimal sound quality and fit. ● High waterproof performance (IPX5/7) allows you to wash the earphones with water. No worries even if they get wet in the rain or sweat. Even if you drop them in water, there's no need to worry. Intuitive operation with just one button. Adjusting the volume during listening or calls is also stress-free. Enjoy clear, hands-free calls with either one or both ears. Wind noise is suppressed, allowing for worry-free conversations both indoors and outdoors. ● The sidetone function makes it easier to speak by returning your own voice to the earphone, preventing you from raising your voice unnecessarily during calls. Other convenient features: ● Powers on simply by removing from the case, ready to use immediately ● Fast Pair support for convenient connection with Android devices ● Can be with just one earbud ● Simultaneous left and right transmission method for stable connection with strong resistance to sound interruptions ● Low Latency Mode to minimize the delay between sound and video ● Approximately 7 hours of continuous playback, up to approximately 21 hours of playback ● Multi-pairing function that allows registration of multiple devices