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✔ Relieves back pain fast ✔ Improves posture naturally ✔ Comfortable & adjustable ✔ Invisible under clothes

Subwoofer High Volume Wireless Audio Bluetooth

$63.10 USD

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Color Blue Black Red Green B1 blue B1 black B1 red B1 green

Product information:

Function: Waterproof, dustproof, anti-drop, call function
Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 500mAh
Frequency response range: 40Hz-20KHz
Power supply mode: built-in lithium battery
Channel: 2
Playing time: 8 hours
Bluetooth protocol: 4.1
Number of speakers: 2
Effective distance: 10 meters
Operation mode: button
Play format: MP3, WMA, WAV
Shell material: metal
Speaker adjustment method: button
Box material: metal
Appearance size: Mini
Product weight: 0.195 (KG)