【EFFECTIVE NOISE PROTECTION】 Protect your ears from harmful noise at work with the highest noise-reduction earplugs having an NRR rating of 27dB. The noise-isolating and high-grade silicone earbuds/ear tips provide a perfect fit and comfort while remarkably reducing hazardous noise from power tools, lawnmowers, engines, industrial equipment, and the like. Now, you can focus on your music without any interruptions. | 【ADVANCED BLUETOOTH 5.1 CONNECTIVITY】 It is equipped with the latest Bluetooth technology that provides low latency, faster pairing, enhanced audio transmission, a steadier wireless connection, wider compatibility, and a boasting maximum reach of up to 20M (66 feet) of range. | 【LIGHTWEIGHT NECKBAND DESIGN】 This neckband Headset is designed with a flexible, lightweight band that fits comfortably around your neck, and an in-ear design with a good seal that provides a comfortable and secure fit for all-day wear. No more pressure around your neck, and at the same time, not easy to lose! | 【CLEAR CALLS WITH CVC NOISE CANCELLING TECHNOLOGY MIC】 The built-in microphone allows you to take calls without having to remove the headphones, making them perfect for use on the go. It reduces background noise and improves call clarity. Plus, EASY-TO-USE CONTROLS on the neckband for adjusting the volume and switching tracks, so you can control your music without having to fiddle with your device. | 【HIGH-QUALITY AUDIO AND LONG BATTERY LIFE】 It is equipped with high-quality drivers that deliver deep bass and crystal-clear treble, and are compatible with Qualcomm aptX HD high-resolution audio for exceptional sound quality. It also offers up to 20 hours of playtime on a single charge, so you can use them for extended periods without having to recharge.