Features: 1. Powerful Bluetooth 5.3 chip: Adopted the newest Bluetooth V5.3 chip set and wireless technology, our earphone connect quickly and stably, which resists the interference of various electromagnetic waves during exercise, and makes running more comfortable. 2. Long-lasting battery life: Built-in large-capacity lithium battery, earbuds can last about 50 hours playing time with the charging case, allowing you to enjoy music non-stop. 3. Single/Dual Modes: Master-slave switching, dual-host chips are used for single and double ears, and the left and right earphones can be used at will, free to listen to the movement without restriction.l.
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