1. Wireless EMS software, Ipad or HUAWEI Tablet control. 2. 2 people or 10 people can work at the same time(Depend on your requirment) 3. 10 groups can choose.Different clients can use different parameters in one time 4.Bluetooth control 5.Frequency:1HZ-120HZ 6.Pulse Width:50-400us 7.Pause Time:0-30seconds 8.PulseTime:1-59seconds 9.Total Workout Time:20-60minutes