Versatile functions: The tuning fork set is multifunctional, whether used for music or health purposes, it produces a long and clear vibrating sound that can be used to cleanse crystals, clean household spaces, or for repair, sound, playing with your pets, and more. Multiple models to use: The tuning forks come with 4 frequencies, including 128 Hz, 256 Hz, 512 Hz, and 528 Hz, available for music, also suitable for yoga and meditation, especially 528 Hz is the frequency of , which makes people relax when used in meditation. Easy to carry on the go: Technological tuning forks with ergonomic design are made of materials, compact in size and light in weight, you can use them anywhere, which you can flexibly; Put them in your bag or in the included pouches, and then carry them with you. Quality material: Tuning forks for the body are made of quality aluminum material, impact-resistant and non-magnetic, sturdy and solid, strong against breakage or bending, furthermore, the silicone tuning fork hammer is made, soft and soothing, serving you for long periods. Thoughtful tuning fork accessories: The music tuning fork set includes some tuning fork accessories, such as tuning fork hammers, polishing cloth, and pouches, to provide you with more convenience; In some situations, you can make the most of to wipe off or store, without making a mess. Color: black+silver+wood Material: Aluminum alloy + wood Package contents: 4 * Tuning forks 1 * Polishing cloth 4 * Pouches 2 * Tuning fork hammers Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.