Headphones.Bluetooth Calus Dj50 V5.3 True Wireless

Connectivity: Bluetooth 5.3 for stable and fast transmission. Audio: Stereo sound for a comfortable music experience. Battery: Built-in 800mAh lithium battery offering a playtime of 90-100 hours, with iOS devices capable of displaying the power level. Features: Support for FM radio, TF card, and a 3.5mm stereo interface. Design: Unique appearance structure with comfortable, adjustable fit for various head shapes, and 90-degree foldable earmuffs for easy storage. Compatibility: Compatible with most Bluetooth devices in the smart market.