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.

and tightness can be reached to the best effect by adjusting the middle two bearing

Honor V30 Pro

🔹 Black Finish: The sleek black finish complements any setup

Carton Size 46cm * 32cm * 42cm / 18

supports 4K 30fps output

comfortable semi-in-ear design

Touch control for easier operation

Internal memory capacity: 16GB

Loading Container 20GP: 1015 cartons * 50 pcs = 50750 pcs

super suction adsorption

detachable shoulder strap

Transmission distance: 8-10 meters