Features： 1.Equipped with Bluetooth 5.0 Technology for the chipset, it transmits stable signals even under complex ambience within certain distances. ACC_LC decoding is supported by double-ear communication. 2. The charging box has its wireless charging sensing function, offering a convenient and fashionable charging experience. 3. The wireless earbuds can work 4 hours continuously for music and talking. Powerbox supports 18 hours of battery life for whole day music enjoyment.