Feature(may vary by option.)

●【3.5mm AUX Audio Interface】 This portable mini speaker is perfectly compatible with any media devices with 3.5mm jacks, such as mobile phones, tablets, computers, MP3, CD players, laptops, just plug it directly to play music or video audio .
●【Mini & Portable Design】The mini wireless speaker size is 52 * 52 * 38mm / 2.0 * 2.0 * 1.5in, compact and lightweight design, easy to pack in your pocket, briefcase, and handbag and carry to anywhere for using it anytime.
●【Long Battery Life】This mini portable speaker come with built-in 180mAh lithium battery. Only 45 mins needed to get a full charge through the micro USB port(included). Volume at 50% can play 3 hours, volume at 90% can play 2 hours.
●【Easy to Use】Customers who use the line-in speaker do not need to download any apps, do not have to wait, plug in the phone and to use.
●【Notice】Please confirm your device supports 3.5mm jacks before purchasing. iPhone 7 and above models, please make sure you have a Lightning to 3.5mm cable. USB-C android phone, please make sure you have a USB-C to 3.5mm cable.

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Description

1. Small and lightweight, hook hole design, easy to carry.
2. Low voltage, low power consumption, power amplifier 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. Comes with an audio cable at the bottom of the speaker. Equipped with a USB charging cable. Unique design -- Retractable speaker.
5. Built-in 180mah battery, no external power supply needed, provides one and half hours of playing time at maximum volume, or about 3 hours at 50% volume.

Spec:
Description:
With hang hole design, this speaker built-in battery is so small and lightweight that you can take it anywhere anytime. Equipped with a 3.5mm audio cable at the bottom, you can listen to music after connection with mobile phone, MP3, MP4, computer and other devices with a 3.5mm audio jack.
Features:
1. Small and lightweight, hang hole design, easy to carry
2. Low voltage, low power consumption, power amplifier 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. Comes with an audio cable at the bottom of the speaker. Equipped with a USB charging cable.
5. Built-in 180mah battery, no external power supply needed, provides one and half hours of playing time at maximum volume, or about 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)
Carrying power: 2.2
Battery capacity: 180mah
Charging Cable Length: 50cm/19.7in
Self-contained: 3.5mm/0.14in
Audio Cable Length: Approx. 12cm/4.7 in
Package weight: 78g
Package List:
1 x Speaker
1 x USB Charging Cable