Features :

Bluetooth 4.2 will be more safe to protect your bluetooth signals from connecting and tracking without your permission than bluetooth 4.0 or 4.1,
the data transmission speed between devices has increased by about 2.5 times.
Long Playtime — 2000mAh
Rechargeable Battery providing 10~12hours of playtime
it will be more enjoyable for you to watch movie, play games, or listen to music in a long time.
The small and lanyard design is sutiable for traveling hiking camping Boating Kayaking outdoor adventure.
You can swing it with the music wherever you go.
Superior Sound Quality
Equipped with advanced technology, ensures maxiumum signal quality and eliminating noise intelligently to guarantees high sound quality.
Universal Connectivity
Compatible with all Bluetooth compacity devices. Wireless connect range within 33 feet.
Speaker would automatically reconnect to the last device used
Portable Bluetooth Speaker V4.2
Please Kindly note that CAN NOT make it in water.
It would be better that charge it before using it.
Please charge timely and keep the item full of power (more than 60%) when you do not use it in a long time to avoid the damage to battery.
Volume Control: short press the “+” button to make the volume up. short press the “-” button to make the volume down.
Music Control: Long press the “+” button to switch to the next song. Long press the “-” button to switch to the last song.