Bluetooth Headphones 5.3, 37H with LED Charging Case, CVC8.0 Clear Call

Up to 37 Hours of Playtime: The earbuds can play for 7 hours after a single charge is completed, together with the charging case for a total of 37 hours. No power failure worries.
LED Digital Display: LED digital of the wireless headphones box. Designed to show the remaining power of the charging case and earbuds.
HD Stereo Sound: Bluetooth earbuds feature large 14.2mm drivers and a dual-layer polymer graphene diaphragm. Bass is improved by 43%.
Crystal Clear Calls: Headphones wireless bluetooth uses CVC8.0 wave speed reverse forming technology. Built-in 4 micrs for precise sound pickup. Effectively reduce the noise interference during calls, making calls as if face-to-face.
Comfortable and Stable Wearing: Single earbuds is as light as 3.2g, 45° in-ear design, even for strenuous exercise such as running will not fall off.
Bluetooth 5.3 and One-step Pairing: "S23" uses a stable and low-latency Bluetooth 5.3 chipset with a high-sensitivity FPC antenna. Power consumption is reduced by 30%