Technical parameters:
Bluetooth protocol: 2.1+EDR
Transmission distance: ≥10 meters
Frequency range: 180Hz-20KHz
Signal/noise ratio: >80dB
Driver: 4Ω, ?40mm
Rating power: 2W (with amplifier)
Line input: Bluetooth/?3.5mm audio jack
Rechargeable battery: 600mAh lithium polymer
Battery voltage: 3.7V
Full charging time: 3 - 4hrs
Charging voltage: 5V
Power input: micro USB (5V/500mA)
Net weight: 135g
Unit dimensions: 60mm (D) x 55mm (H)
Highlights:
Stereo Bluetooth music playback
Wireless music streaming
Engineered for exceptional clarity of sound
Powerful built-in amplifier for a surprisingly loud volume
Up to 20hrs wireless or up to 40hrs wired playback
Line input for audio sources without Bluetooth connectivity