Mini Bluetooth Speaker Press Stereo Bass Subwoofer Wireless Speakers Portable Phone Computer Bluetooth Sound Box Support TF Card

Specification parameters:
1. Battery capacity: 400mah
2. Starting current: 35mA
3. Connection current: 12mA
4. Working current: 50-1000ma
5. Shutdown current: 27.8ua
6. Playback time: 2 hours
7. Charging current: 320mA
8. Bluetooth distance: 15 meters open
9. Output power: 5W
10 input power supply: 5v-1a
11 charging time: 70 minutes
12. Frequency response range: 75hz-20khz
13. TF Card: support (maximum) 64g
14. Power supply mode: built-in battery
15. Working temperature: -20 ℃ -60 ℃
16. Product size: 80l*80w*35h mm
17 package size: 100*100*67mm
18 product weight: 170g
19 product package weight: 230g
20 packing list: neutral packing + audio + charging cable + Audio Cable + instructions
21 functions: Bluetooth connection, support touch, FM radio, switch songs, adjust volume