Portronics Harmonics 206 Inline In-ear Bluetooth Stereo Earphones with Magnetic Latch(POR-831)
This device has an inbuilt rechargeable battery with a capacity of 70mAh which requires charging time of 1-2 hours but provides with the standby time of 60 hours. However, it provides the talk time of 3.5 hours and music playback time of 4 hours. It means the usage time provided by the device is just double the charging time. With the sensitivity of 92dB which may rise and fall by 3dB by increasing and decreasing the volume, it has a frequency range of 2.402 GHz – 2.480 GHz and frequency response of 20Hz – 20KHz. It comes with a driver which is of just 10 mm, hence making it lightweight and easy to use. The driver has three buttons on it; Multi-function button, Volume Up & Volume Down button. Multi-function button which allows you to power on or off the device also allows you to pick or reject calls and is supported with backlight. You can also redial the last dialed number by clicking it twice. Backlight in the multi-function button shows the battery level through red and blue lights and also depicts the pairing process by blinking.