Net weight: 35g, packing weight with color box: 54G. Product size: 83*50*45mm, color box size: 113*70*52mm. Note: there is no TF card slot in Q5. Specifications: 1. Bluetooth Bluetooth v5.0 2. Dual display nixie tube display 3. Support USB 3.1a fast charging 4. Support PD fast charging 5. Support voice assistant function 6. Support one key soft shutdown; Support any key startup 7. Support atmosphere lamp 8. Battery voltage detection 9. Automatic power-off memory function 10. Support stereo FM transmission technology 11. Support USB flash disk playback 12. Support TF Card music playback 13. Support wma, MP3, WAV, FLAC music format files 14. Bluetooth supports A2DP, AVRCP, HFP, HSP 15. Bluetooth Handsfree call 16. Support Bluetooth stereo music DSP Technology Package Included: 1 * car Bluetooth Notes: Don't leave 1 star and 2 star feedback without asking for help. If you have any questions, please contact us. We will try our best to solve any problems and provide you with the best customer service.