Product Description Material: ABS Approximate Size: 19*15*4cm Color: Black, Red, Gray Battery Capacity: 1200MA Signal-to-Noise Ratio: 70dB Frequency Range: 80Hz-20KHz Function: Waterproof, Dropproof, Dustproof, Call Function Package Contents: 1 * U-Shape Wireless Bluetooth L Speaker 1. PORTABLE AND PORTABLE SPEAKER - Free your hands and ears. With this portable bluetooth speaker around your neck, you can enjoy music whether you are cooking dinner or doing outdoor sports such as hiking, biking, mountaineering, etc. 2. URE TURE SURROUND SOUND & MORE THAN JUST MUSIC - Upward-firing speakers point your ears clear, maximizing what you hear and minimizing what others hear around you. You can be aware of what's around you while enjoying your music. Keeps you closer to your music and stays connected to the world around you. 3. LIGHTWEIGHT & COMFORTABLE CLOTHING- Ergonomic shape that leans slightly on the shoulder to create a small private stereo field music field, stays comfortable for listening all day. 4. Hands-Free CallingThis wireless bluetooth speaker microphone with noise canceling brings clearer calls. With your hands and ears free, you can be aware of what's around you while enjoying your music. Equipped with advanced Bluetooth 5.0, it offers longer wireless range and more stable Bluetooth connection. the portable speaker for home theater and gaming audiophile personal speakers. 5. Skin-friendly DesignThe back of the speaker is fully wrapped with soft and skin-friendly material, which feels comfortable and can be in direct contact with the skin to create a comfortable wearing experience.