Stable performance, strong signal reception, linear distance of more than 10 metersInput voltage: 5VOutput power: 4 ohms 3WBluetooth and power amplifier functions are two-in-one. It can be used after connecting to the power supply and speakers. It can be used in a small space and improve the production yield rateIt has a wide range of applications, including Bluetooth speakers, toys, massage chairs, household appliances, electric vehicles, lighting, photovoltaic products, fitness equipment, Alipay and other QR code payment voice broadcasts, etcName:Bluetooth ModuleMaterial:PCBModel:CA-6928Input voltage: 5VOutput power: 4 ohm 3WTransmit power: 4dBmcolour: GreenPackage Contents:10 x Bluetooth ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.