Electronic word card, portable English translation learning machine, pcba, Bluetooth speaker solution

Electronic word card, portable English translation learning machine, pcba, Bluetooth speaker solution

Main performance parameters

1. Bluetooth version: Bluetooth 5.0

2. Bluetooth call: HSP / HFP (ANC or enc can be added to bilateral call)

3. Music playback and control: music playback / playback control / and shutdown

4. Distance: 6 meters in the forward direction of the call --- music: 10 meters

5. Shutdown current: 3-5ua

6. Startup current: 6-15ma

7. Call current: 8-10ma

8. Music phone: 5-7ma

9. Pairing current: 6-8ma

10. Standby current: 0.01-5ma

11. Frequency range: 2.402ghz - 2.480ghz

12. Music playing duration: it depends on the battery capacity

13. Battery Specification requirements: 3.7V,

14. Speaker specification requirements: Bluetooth headset speaker 32 Ω 94 ± 2dB

17. Bluetooth support features: support A2DP / AVRCP / HFP / Siri / HID / TWS music / call

18. Operating functions: music up and down, pause play, volume increase and decrease, voice call, call answering and other powerful functions