2. The humane indicator light - The ring indicator light shows it working condition very clearly.
3. Fast charge and long lasting - It takes only 4 hours to charge up the battery and will last up to 12 hours music playback and up to 14 hours voice calls.
4. Wireless speakers - Support Bluetooth V4.0 and a variety of audio agreement, enjoy top quality music, support 10 meters transmission distance.
5. Invisible button - The play/pause and volume control buttons are design at the bottom of the speaker. The buttons are also to be use as a balancer for the speaker.