Massage Ball and Fascia Ball for Self Massage and Trigger Point Therapy Trigger Point Massager Acupressure Massage Ball Back Neck Pain Massage Roller Japan_Batch_Two it has an IPX7 waterproof

it has an IPX7 waterproof rating

Ideal for the skin

strap or strapless

Silicone Swim Cap

and 2614 have on/off switches

Massage Ball and Fascia Ball for Self Massage and Trigger Point Therapy Trigger Point Massager Acupressure Massage Ball Back Neck Pain Massage Roller Japan_Batch_Two it has an IPX7 waterproofMassage Ball and Fascia Ball for Self Massage and Trigger Point Therapy Trigger Point Massager Acupressure Massage Ball Back Neck Pain Massage Roller Product Features Relaxing massager. As a powerful ball for relaxing muscle massage, it gently rolls onto the skin and relieves tight muscles almost immediately. The 360 degree spin design can be used anywhere you can reach it. You will feel comfortable as friction promotes blood circulation. Trigger