Audio Components Technology : Enjoy clear and immersive sound with the technology that delivers directly to your inner ear. Wireless Connectivity : Connect to your device wirelessly via Bluetooth and enjoy the freedom of movement without any cords getting in the way. Design : Take your music anywhere with the compact and design that fits easily in your pocket or bag. Metal Cabinet : The metal cabinet provides durability and protection for your speaker, making it a reliable choice for everyday use. Features: 1. Turn any hollow core into a speaker: This speakers are the smallest and most versatile speakers in the world, allowing you to have a different but still great sound experience in any environment. Turn any void into a speaker anytime, anywhere. 2. Different sounds with different surfaces: This speaker uses technology to give you a sound experience. You can test and enjoy different sounds - almost like using different instruments. Putting it on different surfaces like glasses, guitars, kraft paper boxes, plastic storage boxes, photo frames, sports headphones or even dashboards can give you a variety of sound effects. 3. Portability: This product is small in size and light in weight, which is very convenient to carry around. 4. Small but powerful speakers: If you find the right object for your horn, speakers can be very powerful, reaching 115 decibels and allowing you to customize the sound quality. It is recommended to place thin objects such as halloween plastic boxes or buckets. 5. Multifunctional speakers: You can use humbird speakers to listen to music, podcasts, stand-alone phone conversations or conference calls, play games or movies, and even enjoy the experience of game sound. speakers also function as fm radios, allowing you to listen to music and follow podcasts. Description: Made of premium materials, this bone speaker is the smallest and most versatile speaker in the world, allowing you to have a different but still great sound experience in any environment. Turn any void into a speaker anytime, anywhere. Specification: Product Name:Bone onduction MINI IRELESS Bluetooth Peaker Material: Aluminum Alloy Capacity: 400mAh Size: 1.97*1.97*1.97cm Function: Speaker, FM Wireless Ver: 5.0, A2DP, HFP Wireless Stereo supported FM radio build-in transducer: 3Watt Frequency range: 120Hz-16kHz High sensitive microphone build-in Battery: 400mAh Polymer Battery Charging Port yo = C charging port (not compatible Fast Charge) Size: 40*40*24mm Weight: 35g Note: 1.Please allow 1cm difference due to manual measurement. 2.Please understand that due to differences in lighting or computer display, I cannot guarantee that the color of the photo and the actual object are 100% the same.