Gift Giving Retro Bluetooth Small Speaker, Wireless Small USB Flash Drive, Radio Speaker, Outdoor Portable Mini Sound System 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 to intention, embellishments , 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: 20Hz-20KHz Signal to noise ratio: ≥ 85dB Number of speakers: 2 Effective distance p: 10M Box material: plastic Power mode: USB Bluetooth version: 5 Sensitivity: 1000mV Speaker impedance: 4 Ω Color: black Product sise : 4.7×3.96×2.17 inch Product weight: 0.65 Ib Gross weight: 0.83 Ib Packaging size: 4.92×4.33×2.36 inch The Package Include： 1 × Charging cable 1 × Bluetooth audio 1 × instructions