2025 New Upgrade & New Fashion Neckband Bluetooth Headphones Speaker 2 in 1 Features & Benefits Bluetooth 5.3 technology & CVC8.0 noise cancelling technology can filter out background noise.Auto retractable earbuds allows you to pull the retractable wire to the length you want.Ergonomic Neck-Behind provides a comfortable, curved fit through all-day wear and use.Premium silicone gel surface is sweat-proof for stable wearing. Ideal for Gym, running, hiking and other outdoor activities.Bluetooth Headphones with Hi-Fi Stereo Sound & Voice Prompt and Vibration & Long battery life. Product Specifications Bluetooth Version：Bluetooth 5.3Wireless Distance：10ｍBattery：Battery 3.7V220*2 mAh Li-PolimerMusic Time：UP to 15 hoursTalking Time：Up to 15 hoursStandby Time : Up to 500 hoursCharging Time：Less than 2.5 hoursWeight :105gWater Proof :IPX7 Bluetooth 5.3 Technology The retractable bluetooth headphones& speakers is using the latest HD aptX and bluetooth 5.3 chipset, ensuring faster and stable signal connection and transmission. CVC 8.0 Noise Canceling Technology Using CVC 8.0 noise canceling technology can filter out background noise, allow you enjoy high quality sound performance with super bass even you are in a noisy environment. 3D Surround Sound Featured with strategically placed speaker Units,designed to deliver the in 3D surround sound.The sound spreads like wrapping the ears from the speaker, bringing a realistic feeling as if you were in a movie or game scene. Auto Retractable Earbuds The automatic retractable earbuds allow you to pull the retractable cord to the desired length. When retracting, pull the retractable cord slightly to automatically store the cord. Don't worry to be bothered by tangles or confusion. Connect Two Devices The bluetooth headset can connect 2 bluetooth devices at the same time. Support iphone, ipad, Samsung or other Bluetooth devices. Effective transmission distance of 33 feet, let you move more freely. Take Your Life More Fun The speaker can will your life style.Wearing it,then you can enjoy your music or TV show while you garden or cook dinner. Ask Siri a question while at work. You’ll feel and hear the difference.