◆Wireless transmission range: 10M
◆Audio noise ratio: ≥90db
◆Battery capacity: 1100-1200mAh
◆Built-in voltage: 3.7V
◆Play at normal volume: 3H
◆Speaker specifications: ¢52MM*1
◆Speaker power: 4Ω/5W*1
◆Frequency response: 120HZ-20KHZ
◆Product size: 86.7x86.7x127.2mm