Patented Bluetooth Speaker BT Wireless Speaker Outdoor, Portable, Waterproof, Bluetooth 5.1, Loud Stereo, Booming Bass, 3 hours Playtime for Home, Party

• Bluetooth: 5.1
• Charging voltage:  DC 5V
• Playing time:  3 hours
• Music time:  4-5 hours
• Standby time:  120days
• Transmission distance:  10-15 meters
• Earphone charging time:  60mins
• Speaker playing time:  2.5-3.5 hours
• Speaker charging time:  60mins, frequency range is 20-20000KHZ
• Earphone capacity is 40mah
• Charging case capacity is 600mah
• Color option: Black and white