1. Function: BT, hands-free calling, TF card playback, U disk playback, TWS FM
2. BT version: Jerry 5.0
3. Battery capacity: 3.7V 500mAh
4. Speaker: 4Ω 3W 45MM
5. Effective distance: less than or equal to 10M
6. Playing time: 3-8 hours (depending on the playback volume)
7. Charging time: less than or equal to 2H
8. Frequency response range: 50HZ-18KHZ
9. Signal to noise ratio: greater than or equal to 80db
10. Input/Output: DC 5V 1A
11. Material: ABS+UV plating
12. Bare size: 115 x 78 x 61mm
13. Net weight (bare machine): 240g

packing list:
Type-C cable x 1
Manual x 1
Packaging box x 1
Audio cable x 1