a免费在线丨视频久久丨成人黄色大全丨国产精品自拍在线丨91不戴套国语对白在线观看丨成人黄色在线免费观看丨aaa亚洲精品丨a在线视频v视频丨又粗又硬又黄又爽的免费视频丨欧美黄网在线观看丨国产一区二区精品久久岳丨免费久久久丨色视频免费看丨欧州一区丨日本孰妇毛茸茸xxxx丨亚洲国产成人精品无码区99丨亚洲日本久久丨顶级毛茸茸aaahd极品丨亚洲最大综合网丨又粗又猛又大爽又黄老大爷5

Bluetooth audio Beautiful wireless, high convenience, easy operation, fast transmission speed and moderate distance, widely used

The biggest feature of Bluetooth speakers is that they support Bluetooth calls. It can be connected to Bluetooth-enabled devices to play music at any time, which is convenient for listening to music and driving comrades. Nowadays, Bluetooth speakers have gradually replaced the card speakers of earlier years and have become people‘s lives. As part of the future, Bluetooth audio is also a bright spot in the audio market, and what people are looking for is the experience brought to us by cost-effective products.

Bluetooth audio lithium battery model: 3.7V 1200mAH

Bluetooth audio lithium battery cell model: 603450

Lithium battery IC: Seiko