Axtrom Portable Wireless Speaker 360° Surround Sound [ ABSDS3-BT ] Axtrom Portable Wireless Speaker connects to your desired device with Bluetooth 5.2 within a range of 10 meters and broadcasts your desired audio content using the frequency range of 100 Hz to 18 kHz. ABSDS3-BT’s 1200 mAh battery capacity allows this product to play music continuously for three hours. Technical Specifications Body dimensions 135*110*110 mm input voltage DC/5V Bluetooth board 10 meters Bluetooth version 5.2 Charging time 2-3 hours during music Battery capacity 1200 mAh frequency response 100 Hz to 18 kHz For More Info. Click here For More Axtrom Product Click Here