BT209 Outdoor Portable Ultra-thin Mini Wireless Bluetooth Speaker, Support TF Card & Hands-free Calling, SilverProduct parameters: 1. Bluetooth version: V4. 2. 2. TF card: Yes. 3. Line input: No. 4. Built in microphone: Yes. 5. Hands free: Yes. 6. FM radio: No. 7. Speaker output: 5W x 1. 8. Frequency: 80Hz 18KHz. 9. Distortion: Less than or equal to five percent. 10. Signal to noise ratio: 95dB. 11. Bluetooth communication protocol: A2DP, AVRCP, HFP, HSP. 12. Built in lithium battery capacity: 450mAh. 13. Charging voltage: DC 5V. 14. Charging time: 3 hours.

Carton Size 40cm * 35cm * 30cm / 15

DSP and CVC triple noise reduction processing

40HQ: 1000 cartons * 100 pcs = 100000 pcs

Various patterns and styles

IC overtemperature protection

Storage temperature: -45 ~ 85 Degrees Celsius

light board and switch board

General Compatible with Apple:  iPhone 14 Plus

The open-air design has good heat dissipation and the hard disk does not get hot

No operating system In SSD

Rated power: 5W

Made of carbon fiber leather and aluminum alloy