Feature:1. COLORS CAN BE CHANGED: When the speaker is turned on, the lights change a color every 5 seconds, and the rich colors bring the ultimate enjoyment.2. 2 SPEAKERS TURNED ON AT THE SAME TIME: The speakers will automatically be connected in series, and the song that matches both speakers will be played in the phone at the same time.3. RICHER BASS: The extended for Bxs system of this portable speaker brings a fuller, richer bass response and clear stereo sound, practical.4. PORTABLE: The speaker is small and portable, with a built in 500mAh lithium battery, you can enjoy music anytime, anywhere.5. HIGH QUALITY MATERIAL: The speaker is made of high quality ABS material, which is sturdy and durable to ensure long term use.How to Use:1. Press and hold the power button for 3 seconds to turn on the Bluetooth function2. Mobile phone search for Bluetooth pairing connectionSpecification:Item Type: SpeakerMaterial: ABSConnection Range: Approx. 10m/32.8ftWorking Time: 5HFrequency Range: 280Hz-16KHzS/N＞95dBCharging Time: 2HBuilt In Lithium Battery: 500mAh Package List:1 x Speaker1 x USB Cable1 x Hanging Chain