Hanging Neck Bluetooth 5.3 Wireless Earphones Intelligent Noise Reduction Ultra Long Standby Waterproofs Wireless Earphones Features: HiFi sound unitEquipped with a high-definition sound unit, it can listen to music details more clearly. The high notes are clear, the middle notes are soft and full, and the low notes is elastic. Hanging neck structure and in ear designThis Bluetooth earphone features a hanging neck structure and in ear design, which can be used for decoration. The earphones have magnetic adsorption, making them easy to organize. Staying in the ear for a long time will not cause fatigue, wearing it will not make any sense, can concentrate more, and isolate external noise. Intelligent noise reduction and high-definition microphoneIntelligent algorithm for noise reduction during calls, omnidirectional capacitor microphone for intelligent noise filtering, reducing interference during calls, clearer communication, and clearer microphone pickup for speaking sound. Bluetooth 5.3adopts two channel low latency technology, audio synchronization transmission, online drama and microphone playback, game audio and picture synchronization, more stable connection, and no lag during use. Support Memory CardYou can insert a memory card for music playback. Inserting a memory card defaults to music mode, and you need to press the power button three times to change to Bluetooth mode. IPX54 WaterproofsIt can also be worn during sports, with a tight body design that effectively prevents sweat from damaging components, so you don't have to worry about sweating profusely during sports. Product Description: Product Name: Sports Bluetooth Earphones Product colors: sky blue Material: ABS+PC Bluetooth version: V5.3 Transmission distance: 10m Battery capacity: 500mAh Call/music duration: approximately 50 hours Standby time: approximately 1888h Charging time: approximately 1.5 hours Product size:1915cm/7.55.9in Product weight:50g/0.11lb Package size:20.553cm/8.121.2in Package weight:95g/0.21lb Product Description: 1 x Bluetooth earphone 1 x instruction manual 1 x charging cable