True 3D Theater-Stereo Sound- Built-in 3W*2 speakers system, the wireless neck speaker produces rich sound and an enhanced bass that goes far beyond its size. Upward-facing speakers on both sides of the neck speaker produce high-quality 3D theater sound surrounding your ears to create a truly unique and immersive sound experience. Comfortable Shoulder Speaker- Made of soft silicone material, this neckband speakers with ergonomic design can be adjusted to fit your neck line, and 220g weigh speaker rests on your shoulders providing a lightweight and secure fit for listening to all day. Enjoy your favorite tunes while you are cooking, resting in your yard, walking, etc. IPX5 Waterproof & Long Battery Life- This waterproof wearable speaker is sweat and weather-resistant. Suitable for outdoor sports such as walking, riding bicycle, climbing mountains, etc. The neck bluetooth speaker included a premium rechargeable built-in 1000mAh battery that provides up to 24 hours of playti