Feature 2.0-channel stereo speaker Double speaker units, 3wx2 Mic, handsfree function Tf interface, support play ape sound lossless audio formats(mp3/wma) Aux line-in Fm radio, 87.5mhz-108mhz Nfc(on option) External volume adjustment buttons Product parameters: Output: 3w x 2 Bluetooth standard: v2.1+edr Speaker: 40mm x 2 Built-in battery: 3.7v 1000mah Input voltage: dc 5v Charging time: 2 hours Playing time: up to 5 hours Impedance for speaker: 4ohm Thd: 90db Frequency response: 150hz to 18khz Reception distance: >10m Dimension: 150(l) x 60(w) x 62(h)mm
