CASCHO Wireless Headphones V5.3, 3.2g Ultralight Painless Wear, 37Hrs Playtime, Wireless Earbuds CVC8.0 Clear Call, Deep Bass 2.0, Bluetooth Headphones IPX7, Headphones Wireless for Sports.

Up to 37 Hours of Playtime: The bluetooth headphones 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 earbuds box. Designed to show the remaining power of the charging case and earbuds.
HD Stereo Sound: Headphones wireless feature large 14.2mm drivers and a dual-layer polymer graphene diaphragm. Bass is improved by 43%.
Crystal Clear Calls: Bluetooth earbuds 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 earbud 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% and the connection is more stable. One-step connection to your phone takes only 2 seconds.
IPX7 Waterproof: With a unique nano-coated waterproof material that can withstand rain and sweat. Note: The charging case is not waterproof, please use the bluetooth earphones after drying.
Smart Touch Control: Bluetooth wireless headphones uses humanized fingerprint sensor, aluminum touch interface and Bluetooth 5.3 for fast response. Allows easy access to functions anytime, anywhere.