Optimize product title: Portable Mini Wireless Speaker

Product information:
Duration of single charge: 90 minutes,
Battery life: 2-10 hours (the bigger the music, the shorter the battery life).
Standby time: more than 6 months.
Bluetooth transmission distance: 10 meters, support Bluetooth music playback and Bluetooth calling. Two modes are available: music and games.
Product material:( ABS)
Specification: Diameter 45 x height 48mm
Frequency response range: 100HZ-20KHZ
Signal to noise ratio: ≥ 70dB