Features:

    3 watt output
    Bluetooth 4.1
    wirelessly connects to any Bluetooth device: iPhone, iPad, Smart Phone, Tablet PC
    built-in microphone for voice conferencing
    built-in Lithium battery, not limited by a power source
    Micro USB charging interface


Genius SP-906BT Bluetooth speaker 4.1 Green
 

  output power: 3 watts RMS
    built-in microphone
    40 mm driver unit
    source: Bluetooth

    Bluetooth spec. 4.1
    Supports: HSP、HFP、A2DP、AVRCP
    wireless range: 30 meters

    power: 500mAh Lithium polymer rechargeable
    battery charge time: 2.5 hours (standard Micro-USB)
    play time: 5 hours
    frequency response: 100 Hz ~ 20 KHz
    control panel: play/pause - previous/next track - volume up/down

Package contents:

    SP-906BT speaker
    Micro USB charging cable
    multi-language user`s manual

Dimensions:

    Dimensions (WxHxD): 80x87.7x45.1 mm
    Size of giftbox (WxHxD): 572x260x265 mm
    Weight: 144g