(1) Rated power: PO=2W.
(2) Frequency response: 180Hz - 16kHZ.
(3) Distortion factor: THD<1%.
(4) Signal-to-noice ratio: S/N>=90dB
(5) Separation: >=55dB.
(6) Speaker: 23mm, 4Oham, 1.5W.
(7) Battery: 3.7V / 180mAH.
(8) Bluetooth: yes
(9) App: support android.
(10) Bluetooth voice prompt: yes.
(11) Bluetooth anti-lost: yes.
(12) USB charging: Micro 5 pin USB interface.
(13) Indicator: green light indicates the status of Bluetooth working; red light indicates charging status.
(14) Product size: 26.8 x 26.8 x 28.5mm.
(15) Product weight: 20g