BRAUN Solar Watch for and Black Leather Strap with Silver BN0301BKSLBKG Men, Women, Unisex, Case,

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Arm circumference: approx. 14-19cm Waterproof: 5ATM Charging guideline - Direct sunlight (100,000 lux) Full charge: 5 hours Normal operation: 15 minutes One day's charge: 2 minutes - Cloudy outdoors (10,000 lux) Full charge: 20 hours Normal operation: 1.5 hours One day's charge: 8 minutes ・When charging with a 30W light bulb approximately 20cm away (3,000 lux) Full charge: 60 hours Normal operation: 4 hours One day's charge: 25 minutes ・Office (700 lux) Fully charged: - Normal operation: 35 hours One day's charge: 100 minutes *When fully charged, the operating period is approximately 4 months. Accessories: Official warranty card