Features:

Plug and play, easy to useCustomers who use line-in speakers do not need to download any app, no need to wait, just plug in their phone and use.

High Sound QualityThis phone speaker is equipped with 4ohm and 3w speaker with SNR>80db, maintains high sound quality, clear bass, and can maximize volume up to 4 times.

Perfect CompatibilityCompatible with any media devices with a 3.5mm jack, such as mobile phones, tablets, MP3, CD players, laptops, just turn on the power and plug directly in to play music or video audio.

Handheld DesignMini wireless speaker measures 47*47*34mm / 1.8*1.8*1.3 inches, compact and lightweight design, easy to put in your pocket, briefcase, handbag, and use anytime, anywhere.

Specification:
Signal-to-noise ratio: >80dB
Net weight: 44 grams
Output power: 3W
Material: Plastic/Silicone
Frequency range: 50Hz-18000Hz
Product size: 4×4×3.5 cm / 1.57*1.57*1.37 in
Li-ion battery capacity: 3.7V, 350mAh
Charge indicator: red for charging, off for full charge.

The package includes:
1 x Wireless Mobile Phone Speaker
1 x Charging Cable