The 1byone portable Bluetooth 4.0 speakerphone comes with a standard micro USB charging cable, user guide and a TRS jack to jack cable that you can use to hook up the speaker to your smartphone, PC, laptop, MAC computer, etc. The speaker comes with a built-in mic for handsfree calling so you can use the 1byone portable Bluetooth 4.0 speaker as a speakerphone to answer calls.
The 1byone portable Bluetooth 4.0 speakerphone has a nice-looking speaker grill and a rubberized finish all the way around, which is nice as it's very soft to the touch and it won't be a dust magnet or a finger-print magnet. Each corner of the speaker also has rubber feet on the bottom to keep the speaker steady and upright in place.
The 1byone portable Bluetooth 4.0 speakerphone has four multi-function buttons which include the Power On/Off button, Play/Pause button and the Volume Up/Down buttons (minus and plus symbols) which also control the skip-forward and back. The Play/Pause button is also the answering call button. The touch and feel of the buttons is just right and it's nice the plus button is slightly larger than the minus button.
The 3.5 mm audio plug jack and micro USB port are both located discreetly on the back of the speaker; while the cord on the side of the speaker allows you to attach it to anything you want to carry the speaker with. The LED notification is found discreetly inside the speaker and can be seen through the front left side of the grill. A flashing blue and red light shows on the LED when pairing with a device; while a solid red light shows when charging. Once the speaker is fully charged, a solid blue light will show. The 1byone portable Bluetooth 4.0 speakerphone also has user-friendly audio prompts when powering on and off, pairing mode and when reaching the volume limit.

The Verdict
The 1byone portable Bluetooth 4.0 speakerphone is a compact personal speaker with enhanced bass that is splash proof (IPX5 rated water resistant) and shockproof. The Ultra Bass Booster feature increases the overall base experience that you get from the speaker and there are no distortions at lows, highs, mids, and even at the highest volume possible. The 1byone portable Bluetooth 4.0 speakerphone has a built-in rechargeable Li-ion 1500mAh battery which gives 6 to 8 hours of playing time and 350 hours of standby time.

When using the handsfree calling feature the built-in microphone offers good responsiveness from incoming calls. The speaker is also Bluetooth 4.0 which means better battery life to stream music when connecting to a Bluetooth-enabled device such as a smartphone or iPad. Check out the 1byone portable Bluetooth 4.0 speakerphone.