Advantages: 1. Stable performance, strong signal reception, straight-line distance of more than 10 meters 2. Input voltage: 3.3-5V 3. Output power: 4 ohms 3W 4. Bluetooth and power amplifier functions are two-in-one, connect the power supply and speakers to use, Can be used in small spaces. Reduce production wiring and assembly hassles and improve production yields. 5. If you need to customize the startup voice and Bluetooth connection name, please contact customer service for large quantities.
Function introduction 1. Bluetooth version: V5.1 2. Mono output 3. Support call function (optional) 4. Support button function (customization) 5. Bluetooth working distance: ≤10 meters 9. Input and output interface: a, Power input: 3.2-5V 1.5A b, speaker output interface: external 4Ω3W speaker c, button interface: up to four buttons d, Bluetooth call MIC interface e, Bluetooth indicator (blue), 10, output power: 4Ω2W 11. Signal-to-noise ratio: ≥75DB 12. Working voltage: DC: 3.2V-5V 13. Working current: ≤1A 13. Working temperature: 0℃+80℃ 14. Storage temperature: -20℃-+105℃ 15 . Product size: 20mm×35mm