Features: 1. It's an intelligent strapless posture corrector, you could place it onto your upper back. It reminds you to sit or stand straight up with a real-time gentle vibration reminder. 2. It's the simplest, fastest and most natural way to improve your posture in just 2 weeks. 3. This back brace is especially suitable for people with a slight hunchback, people with bowed heads, long-term desk workers, and office workers. It provides the best back support for you. 4. Our posture corrector can be used at any time in daily life, providing correction to your body at any time, Posture corrector making your life healthier. 5. Made of quality materials, which are soft and elastic. Unlike ordinary fabric made posture correctors, it is not rigid and will not restrict the movement of the arms. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: silicone Battery: 1200 mA(included) Color/Style: As the picture shown Weight: 65g includes: 1 x Posture Corrector 1 x Charging Cable 1 x Manual