Y8 Computer Mini Smart Car Card Portable Subwoofer Bluetooth Speaker(Black)

1. Bluetooth version: V4.22. Transmission distance: greater than or equal to 10m3. Dimensions: 8 x 3.5cm4. Power supply: USB charging5. Battery capacity: 500mAh6. Operation mode: touch7. Working hours: 3-4 hours8. Charging time: 2 hours9. Support TF card: 64GB10. Support protocol: HSP, HFP, AVRCP11. Product features: Bluetooth connection, hands-free calling, TF card playback, AUX playback, stereo surround sound, exquisite and compact, durable battery life, wide compatibility