*Bluetooth version: Version 4.1 with NFC function

*Bluetooth protocol: A20P, AVRCP, HFP, HSP

*Bluetooth distance: within 10m

*Power adapter: AC 100-240V, 50V/60Hz, DC5V/4A

*Power: AC 100-240V, 50V/60Hz, DC5V/4A

*Output power: RWS 5W*2

*Speaker: 4Ω,5W,1.75 inch

*Frequency range: 150Hz-20KHz, SNR:80dB-86dB, Distortion:<5%

*Connector type: standard 3.5mm stereo jack

*Input:DC5V/4A; capacity:5W; current:700-1000mA

*Transmission distance:10mm

*Charging efficiency:≧70%

*1wireless charger for phone

*Bluit-in 2000MA Li batteries

*With microphone, handfree call

*Dual USB output

*3.5 general AUX in jack, can connect different digital devices

*Playing time:6 hours, recharging time:3 hours