The sharp kang Theragun 4th generation massage gun what upgrade?

In recent years, there are many different brands on the market of massage guns, many products are almost the same regardless of style and function. But has it ever occurred to you, what is the correct way of using the massage gun? What is a course for position is valid? Famous American massage gun brand launch new fourth generation product, new series not only more quiet, battery life, update and add bluetooth intelligent system, let users can through the phone application, choose a different course of treatment and control of operation, and can be inspections to avoid injury. New generation of deep muscle massage 4 guns, there will be four models, including Pro, Elite and Prime to strengthen the effective noise reduction technology, 55% lower than the previous generation, respectively, 75% and 70% of the noise. And update the Smart Percussive Theraphy bluetooth system, through mobile applications, can according to need and prefer to make personal massage treatment. Will be displayed in the process of need a massage position, let everybody can target about place for relaxing massage. At the same time three ( Pro, Elite and Prime) Join the pressure sensor, can pass the phone App will show strength is too big, avoid because of excessive force to injury. Product model PRO PRO Elite standard Prime and lighter version of the Mini Mini bluetooth connection can connect can connect can link not vibration of 16 mm16 mm16 mm12mm can reach the highest strength * 27 kg thrust 18 kg thrust 13 kg thrust 9 kg thrust Angle adjustable four 1750 - / / / speed 2400 PPM freely adjust ( The built-in 1750, 1900, 2100, 2200 and 2400 parts per million (PPM) 1750 - 2400 PPM freely adjust ( The built-in 1750, 1900, 2100, 2200 and 2400 parts per million (PPM) 1750, 1900, 2100, 2200 and 2400 ppm1750ppm, 2100 PPM number 6 (2400 PPM equipped with spear and Compatible with all series 6 point) 5 ( Compatible with all series 6 point) 4 ( Compatible with all series 6 point) 1 ( Compatible with all series 6 point) The battery type external built-in built-in built-in can use 150 minutes (each battery Contains 2 battery) 120 minutes, 120 minutes, 150 minutes to maintain weight 2 in 1 year 1 year 1 year 1. 3 kg1 kg1 kg650g actually the massage guns are available in the market can only be used to massage muscles, shouldn't be used for bone for shock therapy. So as to meet the needs of users, especially introduced Supersoft soft massage head, which can effectively for vulnerable parts for release. Finally, in order to meet the needs of the travel and travel users, especially new Mini Mini portable massage gun, design and lighter weight only 690 g, convenience for the users can even go out to travel. Reprint please indicate: what are 4th generation of gun guide massaging the gun upgrade? 3)