Brand new, unused! Instant purchase welcome! Color: Black [2024 Industry Model Bluetooth 5.4 Technology & Low Latency] A new model of wireless earphones has arrived in 2024!!! These newly developed wireless earphones are equipped with Bluetooth 5.4 technology and an EDR chip, achieving clearer sound quality, faster data transfer speeds, lower power consumption, and more stable connections. Not only have the problems of communication interruptions, sound skipping, delays, and rapid power consumption of conventional Bluetooth earphones been improved, but stable communication can also be maintained even in places with radio waves, such as crowded trains and buses. [High-Quality Sound Driver & Dual Mic ENC Call] Equipped with a 13mm large-diameter driver unit, it covers everything from clear high frequencies to transparent mid-range frequencies and rich low frequencies, restoring the original sound quality and faithfully reproducing the original sound. You can immerse yourself in the music with a realistic sense of presence, as if you were in a concert hall, with the music slowly flowing into your ears. [Battery Level at a Glance & Long-Time Music Playback] With an LED remaining power display, the battery level of the charging case is displayed on the LED display from 100% to 1%, and the LED display automatically flashes while the charging case is charging, and the LED display shows 100% when charging is complete. It has a large-capacity 320mAh lithium battery, and the earphones themselves can play music continuously for up to 6 hours on a full charge. With the charging case, you can enjoy up to 30 hours of music, so you don't have to worry about running out of battery all day long. A Type-C port is used, so the charging speed is significantly faster than the conventional USB. [Comfortable Fit & Compact Lightweight] Based on ergonomics, it uses a soft silicone design and comes with three types of ear tips (S/M/L), which have almost no foreign body sensation and also provide sound insulation according to the shape of your ears. One ear weighs 4.1g, so it's as light as a feather and doesn't put any burden on your ears, so your ears won't hurt even if you wear them for a long time. The charging case weighs 41g, achieving a lightweight and compact design, making it convenient to carry around. [Waterproof Function & Excellent Compatibility & Extended Warranty] Equipped with IPX56 waterproof performance, it is splash-proof, so you can use it with confidence even if it gets wet with sweat during intense exercise. 1400r8200