VBESTLIFE Mini Speaker, Pop Up Portable Hamburger Rechargeable Universal Wired Speaker with USB Charging Cable for Smartphones MP3 PC (Black)

• Small and lightweight, hook hole design, easy to carry
• Low voltage, low power consumption, power amplifier IC, pure sound quality, low distortion
• Suitable for iPod, MP3, MP4, MP5, mobile phones, computers and other devices with a 3.5mm audio jack
• Comes with an audio cable at the bottom of the speaker. Equipped with a USB charging cable. Unique design -- Retractable speaker
• 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

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. Specifications: Material: ABS Size: Approx. 52 * 52 * 38mm / 2.0 * 2.0 * 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 Color: Black, White (Optional) Package weight: 78g Package List: 1 x Speaker 1 x USB Charging Cable