● Wireless version: Wireless 5.4 •
● Frequency: 2.4GHZ •
● Working range: 10 meters •
● Battery capacity: 300mAh •
● Speaker size: 13mm •
● Impedance: 320±15% •
● Music time: 55 hours
● Talk time: 50 hours
● Charging time: 1 hours
● Frequency response: 20-20000Hz