Up to 7 hours of playback on a single charge , 150 hours of standby time

Bisbee Co., Ltd., a manufacturer and distributor of convergence devices, has launched Reversion II, an upgraded version of its Bluetooth earphones , ' Popsfree ' . It has enhanced functionality by incorporating the latest Bluetooth 4.1 technology into the design that was well-received in the previous product . Since the launch of the existing product, it has gained word of mouth as a Bluetooth earphone with high performance relative to its price , and has been coordinating the timing of actual application by operating a large-scale trial group to gather user feedback and testing internally whether it is feasible .

The ' Popsfree ' Revision II, born from this process, has a total of three features . It supports uninterrupted voice calls via Bluetooth 4.1 . In addition, user satisfaction is expected to increase as the high-efficiency battery enables extended music listening . A single full charge allows for up to 5 to 7 hours of talk and music playback , with a total standby time reaching 150 hours . Secondly, a software upgrade has also been implemented .

The upgraded VISIVI dedicated app accurately and quickly recognizes text messages from apps such as KakaoTalk and LINE and provides voice notifications . It is a useful feature for consumers in any environment , providing voice notifications of who the caller is and what the message content is . Finally, the head part that comes into direct contact with the body is relatively prone to damage, such as the circuit board separating , but the Visby Reversion II has increased durability by applying a press compression method .

In addition, a focus was placed on product stabilization, and fine air ducts indistinguishable to the naked eye were applied to the rear of the unit to achieve more stable bass sound quality . Of course, the application of the latest APT-X audio codec provides vivid sound reproduction . It also fundamentally supports the same multi-pairing function that remembers connection history for up to eight devices, catering to users who own various devices such as smartphones and tablets .