PowerStick is a Canadian company who is improving it's products by installing new features like long life battery and audio playing device in portable USB.
A relatively new technology used to reproduce sound through induction. When a phone is kept on top of the PowerSound, it absorbs the sound from the phone and amplifies it through it's speakers.
The PowerSound charges mobile devices via a Li polymer battery, but it does not include any adapter and the company does not specify the PowerSound’s battery life. The device costs $99, but for an extra $10, you can upgrade it to include Bluetooth compatibility.
PowerStick is the size of a candy and fits easily in a pocket or purse. Near Field Audio tends to produce poor sound quality and in the case of the Sound, music played via Bluetooth connection even worse.
PowerStick is a nice invention but with some weaknesses which it has to be overcome in mean time otherwise it’s market would affect badly.
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