Tivic ClearUP 2.0  Sinus Pain, Congestion, Nasal Relief Device - REPLACES THSSN100R.Tivic ClearUP 2.0  Sinus Pain, Congestion, Nasal Relief - Bioelectronic Device for Symptoms caused by Allergy Cold & Flu - Medication Free Solution, Non Drowsy1. CLINICALLY PROVEN, SAFE, EFFECTIVE- 88% experienced a meaningful reduction in congestion, and 74% experienced sinus pain relief on first use! While many users experience relief from first use, there is an increased rate of effectiveness over time. For maximum effectiveness the recommended daily regimen of 2-4 times per day for 2-4 weeks.2. DRUG-FREE, NON-ADDICTIVE TREATMENT for sinus pain, pressure, sinus headaches, and congestion from colds, flu, and allergies. No pills. No spray. No mess. Just fast acting, pure sinus relief. The bioelectronic device locates treatment points and emits gentle microcurrent stimulation for precise, targeted relief that you control.3. Designed with portability in mind, ClearUP, fits in the palm of your hand. ClearUP has a reusable and rechargeable battery, and now has a new chip for power management for faster charge and longer battery life. IMPORTANT:  Please only use the charger provided with your Tivic ClearUP to recharge your unit.  Using other chargers may cause damage to your device.