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: 4/5W1
Frequency response: 120HZ-20KHZ
Product size: 86.7x86.7x127.2mm
