Good sound wireless bluetooth outdoor waterproof speaker

Good sound  wireless bluetooth outdoor waterproof speaker  

Features                                                                                                                  1: bluetooth version: V3.0

2: bluetooth transmission distance: 10 meters, with a bluetooth phone / hands-free

3: frequency response range: 100Hz-20kHz

4: signal-to-noise ratio: 95 db

5: sensitivity: 80 db

6: the output power: 3 w * 1

7: distortion rate of 1% or less

8: the speaker specification: 4 Ω 3 w Φ 45 mm

9: input power supply: DC5V 450MAH

10: working voltage: 5V

11: playing time/charging time: 320Min / 120Min

12: standard parts: MIN - USB charging line

13: interface: support TF card, audio input

Includes:

Speaker × 1,

data cable for charging speakers × 1

2.5mm standard AUX for even audio cable, manual × 1

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