Conair Percussive Massage Device CBKM001A

4 speed settings 3 interchangeable heads Cordless use Lithuim battery 120 minute run time Compact design 50 percussions per second Worldwide voltage Auto shut off Hard storage case Speed settings: 4 Interchangeable heads: 3 Cordless use: Yes Battery: Lithuim Run time: 120 minute Compact design: Yes Percussions per second: 50 Worldwide voltage: Yes Auto shut off: Yes Hard storage case: Yes