BT209 Outdoor Portable Ultra-thin Mini Wireless Bluetooth Speaker, Support TF Card & Hands-free Calling (Silver)

Product 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. 15. Talk time: 5 hours. 16. Play time: 5 hours. 17. Housing material: ABS plastic, aluminum mesh, leather, hand strap. 18. Size: 91x47x20mm. 19. Net weight: 81g. 20. Working distance: 10m. Packaging accessories: Mini Bluetooth Speaker x 1 Micro USB cable x 1 User Manual x 1