Wireless Bluetooth Ear-hook 5.2 without Delay, Noise-canceling Earphone with HiFi Sound and 88-hour Playback Feature: 1.Bluetooth 5.2, More Powerful: The use of an advanced Bluetooth 5.2 chip greatly improves transmission speed and connection stability. It supports longer transmission distance and avoids sound skipping, sound interruption and delay. 2.Ultra-long Battery Life: 350mAh lithium battery brings 100 hours of talking time and 88 hours of listening time. 3.HiFi Sound Effect: Using high-grade ultra-thin vibrating diaphragm, it can provide harmonious high, medium and low frequency, adequate sound pressure and lossless sound. .
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