1. Product Specification: ItemYoga RollerModel No.FR-Y12ColorBlack, Red, Green, Blue, Yellow, Orange and so onFeatureDurable, light, multifunctionalOEM/ODMAcceptableCertificateCE/FDA/ROHS/GS/SGS etcPackage TypeOpp bag+Carton boxSample time2days for existing sample, 7days for custom logoLead Time30-35 days according to quantityApplicationGyms/Homes/Outdoors/Indoors/SchoolsBattery2 pcs 2600mAh lithium batteryCharging time3-4 Hours full chargedWarranty1YearMaterialEVA+PVC/ABSNet Weight1.6 KgsProduct size14x8x5cmSingle packing size16x10x6cmCarton size: 46x46x55cmPacking list 1x Yoga roller1x Instruction book1x Charger1x USB line 2. Product Functions : 1) Vibration with 3 selective intensities. 2) One button controls with 2 auto programs.3) 15 minutes auto timer.4) Built -in battery rechargeable and wireless 5) Two selective power modes: driven by dry or lithium battery .3. Product Features: 1) High density lithium battery:Stable and durable four gears adjustment, adjust you like safe low decibel ,long endurance . 2) Prefer EVA material:Feel comfortable and light, geometric floating point design, close pressure ,deep massage. 3) 3D floating point design with muscle:     Simulated compression massage,the force from any angle can easily deal with , gentle care,no tingling,muscle relaxation ,fascia massage more feelings.   4. Types of work puts: 1) Hind leg tendon 2) Thigh3) Crotch4) A lower leg5) Back6) Hips 5. Attentions : 1) Before charging , make sure that the supply voltage is the same as input voltage of the  device.2) Do not charge the equipment while it is working. 3) Do not immerse the equipment in water.4) Do not use it continuously for more than 45 minutes. Rest for minutes after 45 minutes.5) Do not use the equipment around the head and genitals.6) Please do not replace medical treatment with this device.