Portronics Harmonics 300 Wireless Sports Neckband With HD Stereo Sound Launched in India. Portronics Harmonics 300 wireless sports neckband is equipped with 10mm dynamic drivers and has a frequency response range of 2.402Hz to 2.480GHz. It is claimed to last for eight hours after a single full charge, and four hours after 10 minutes of charging. Harmonics 300 offers HD Stereo Sound support with a clear bass.
Harmonics 300 is crafted with silicone material that does not irritate the skin, making it wearable for long hours. Portronics Harmonics 300 is priced at Rs. 2,999. The company's website, however, shows a discounted rate of Rs. 1,499. The Portronics Harmonics 300 wireless neckband will also be offered on e-commerce websites and offline retail stores as well. It is available in black and blue colour variants and has a 12-month warranty period.