无绳降噪microphone 现在半价，这个可以备一个，家里小朋友需要录音，这个效果很不错

https://www.amazon.com/dp/B0CT4QV1WR

还有这款价格差不多，额外20% off coupon

https://www.amazon.com/dp/B0CMD847WB?th=1

OCOOPA的暖手宝很不错，小巧方便，琴童冬天必备，做圣诞礼物也很好

黑色最便宜，只要$19.99

https://www.amazon.com/OCOOPA-Rechargeable-Resistant-Certified-Handwarmers/dp/B0D9477ZVN?ref_=automaticdeals_bs_dp&th=1

这款样子也很好看，黑色30% off

https://www.amazon.com/OCOOPA-Rechargeable-Magnetic-Electric-Handwarmer/dp/B0B7XJSBQ3?ref_=automaticdeals_bs_dp&th=1

电热毯也很好用，加热一次可以坚持很久，现在40% off+ Extra 20% off

https://www.amazon.com/OCOOPA-Graphene-Heating-Comfortable-Christmas/dp/B0D9W4MKHZ?ref_=automaticdeals_bs_dp&th=1&psc=1