Lester is designed with a heating core inside, hich allows him to warm up if you like. You may wonder what if it gets too hot and barbecue your lady's part? Well, don't worry, Lester can only heat up to a constant temperature of 38℃，it's completely safe. So no more cold loneliness on those winter night as long as you have Lester. Material: body-safe silicone
Battery Capacity: 2200mAh
Battery Type: Polymer lithium battery
Charging Time: 2.5 hours
Using Time: 48 hours
Water Repellency: Splashproof
Vibrate Mode: 7+1
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