M5 metal Bluetooth speaker series high volume small steel cannons mobile phone wireless outdoor desktop portable small speaker Feature Round product design, safe and, can be hung on the body, convenient and, just like your companion with you Exclusive tool for music enthusiasts, the new generation, 3D live restoration system, small body with large energy, low stress , and whole every cell of you medium density box structure, reducing vibration and box generation, atmospheric, thick, and comfortable to Bluetooth fast connection, stable sound quality, and a pleasant experience without constraints Adhering tointention, embellishments for , like to each other's happiness, love is to bear pressure together, and the convenient sound system helps you drive away You can check battery issues on your phone for more user-friendly use speaker and a small body with a voice, presenting soft and stunning music for you Product parameters Connection method: Bluetooth connection Frequency response range: 100HZ-20KHZ Signal to noise ratio: 70db Number of speakers: 1 Effective distance: 10 meters Box material: ABS Article number: M5 Rated voltage: 5V Additional features: voice prompt, call function, null Bluetooth protocol: 5.0 Built in battery: Built in battery Colors: slivers Product sise : 1.611.611.65 inch Product weight: 0.15 Ib Gross weight: 0.17 Ib Packaging size: 5.312.761.57 inch The Package Include 1 Charging cable 1 Bluetooth audio 1 instructions