•Wireless: V5.0
•Working distance: 10M
•SNR: ≥90db.
•Battery: 3.7V 1200mah
•Normal volume playing time: 2-3 hours
•Speaker driver: Φ52mm*2
•Power:4Ω / 5W*2
•Frequency response: 150HZ-20KHZ
•Unit size: 75.5*75.5*161.6mm
•Unit weight: about 512g
•Charging:5V/500mah