Neck and Back Massager, Massage Gun, Massage Pillow manufacturer / supplier in China, offering USB Rechargeable AAA Lithium Batteries, Recharge Over 1000 Times, 600 mAh, USB Rechargeable Lithium AA Batteries 1.5V 2775mwh, Over 1000+ Cycles, USB Rechargeable 9V Batteries - 4500mwh Lithium Ion, 1000+ Charge Cycles and so on.