Master Slave Switching& Bluetooth 5.0,Freely master-slave switching.Supports A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
Sung fit & deep bassDesigned to a seamless fit in your ears and offer 3 different sizes earbuds for choices, allow you to stream music with CD-like audio quality with powerful bass and crispy mid-highs through a unique speaker driver.
Up to 40 hours battery life
the wireless earbuds can last for 4-5 hours of playtime on a single charge. The fully charged charging case can continue to power the headset for 7-8 times, bringing you a total 40 hours of wonderful music world. With a weight of only 4g, causing zero pressure to the ear.
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