Bt verson: V4.0+EDR Wireless Distance: 0-10m Output Power: 5w*2 battery caacity: 1200mah Working voltage: DC 5V 500MA SNR: >_ 80db Frequency range: 100hz-20khz Product Size: 213*68*69mm Net weight: 0.63kg Product Features: BT; FM; TF; U DISK; AUX; Handsfree; Mobile stand; tws 1+1...