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Description:
With a hanging hole design, this battery built in speaker is very small and lightweight, so you can take it anywhere at any time. Equipped with a 3.5mm audio cable at the bottom, you can listen to music after connecting to your phone, MP3, MP4, computer or other devices with a 3.5mm audio jack.

Function:
1 Small and lightweight, hanging hole design, easy to carry
2. Low voltage, low power consumption, power amp IC, pure sound quality, low distortion.
3 Suitable for MP3, MP4, MP5, mobile phones, computers and other devices with a 3.5mm audio jack.
4 Audio cable is included on the bottom of the speaker. Equipped with a USB charging cable.
5 Built-in 180mah battery requires no external power source, it can play for 1.5 hours at maximum volume and 3 hours at 50% volume.
6 Unique Design - Retractable Speaker

Specifications:
Material: ABS.
Size: Approx. 52 x 52 x 38mm / 2.0 x 2.0 x 1.5in
Impedance: 4 (Ω)
Distortion: 0.5 (%)
Frequency Response Range: 200 - 20K (Hz)
Sensitivity SNR: ≥ 89dB (dB)
Speaker Unit Size: 3.5(mm)
Shipping Power: 2.2
Battery capacity: 180 mah
Package weight: 78g

Package List:
1 x Speaker
1 x USB charging cable.