13 reasons why your iPhone vibrates without notifications Amazon.com: Cordless Shoulder Heating Pad with Vibration for Rotator Cuff Pain Relief, FSA Eligible HSA Heated Shoulder Massager, Rotator Cuff Support Brace with 3 Heating Levels &3 Vibration (Black) : Health & How To Disable iPhone Charge Sound [No Jailbreak Required] Redmond Pie Vibrating keyboard? That tiny motor spinning up for every single letter you type is eating your battery alive. Go to Sounds & Haptics > Keyboard Feedback and turn Haptic OFF to save power. , Watch Heating Vibration Massage Shoulder Pad for Pain Relief