The Bluetooth 5.3 is as smooth as flowing water: improve the stability of wireless connection, enjoy smooth and good sound with lower power consumption, more stable transmission, and strong anti-interference Free your hands for high-definition calls: built-in noise reduction microphone, strong reception capability, clear hands-free calls without lag, no need to face the phone, the phone voice is more than enough TWS music formation: use Bluetooth connection to connect two speakers in series to make the music performance more three-dimensional Long-lasting battery life: outdoor travel, with 1500mAh battery capacity, music will accompany you all the way One-button radio function: one-button switch radio channels, listen to the radio anytime, anywhere, you can switch to weather radio, music radio, opera radio, sports radio and other radio programs you like Get rid of wired bats: Bluetooth 5.3 technology, built-in voice microphone transmission fast and stable straight-line connection distance can reach more than 10 meters, making listening more free Color: red/black Material: plastic Package Contents: 1 x Bluetooth speaker 1 x English instruction manual 1 x USB charging cable 1 x Audio cable Only the above package content, other products are not included. Note: Light reflection 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.