SAFERSKY® KDM SP115 Sound Blast Speaker Portable Best Bluetooth Speaker with Super Bass Best Sound Quality Speaker Rechargeable Wireless Bluetooth Speaker Support 5V 3.5mm Aux/Micro SD/USB Slots Clearer Sound Speaker Fast Volume 6Hrs Play Best for Sound Speaker Bluetooth Speaker for Mobile, Home (color-Multi)

Specifications:
This speaker is easy to connect, it has stereo surround bass. Support TF card and USB disk. Portable size, easy to carry. This speaker is IPX4 waterproof, but can not throw it in water. Noise reduction for better music experience.
Item Name:
Bluetooth Speaker Material: Plastic Bluetooth Version: 5.0 Transmission Distance: 10m Built-in Voltage: 5 V Battery Capacity: 1800mah Horn Size: 52mm*2 Horn Power: 52/5W*2 Speaker Size: 7.55cm x 7.55cm x 16.16cm/2.97" x 2.97" x 6.36" (Approx.)
1.Advanced Bluetooth decode chip, support to connected with the all Bluetooth equipment.
2.Voice calling-number
3.Automatically re-connect, automatically into pairing mode when failed 
4.Low power prompt 5.Redial function
5.Volume synchronization, the default volume is 50% of the maximum
7.Power synchronization
8.Bluetooth working distance: 15M
9.Reading TF card and U disk 10.Support line in audio input
Package Includes: 1 x Bluetooth Speaker 1 x Charging Cable
Compact and powerful : wireless portable mobile bluetooth speaker delivers powerful sound and robust bass
Built-in rechargeable : 5V, 1800mAh lithium-ion polymer battery: Provides extended playback, enables you to stream music for up to 6 hours on a full charge speaker bluetooth
Hi Frequency Sound Works on all devices with Bluetooth support Aux Cable Support
Speaker for mobile, Wireless speakers, Wireless Speakers for Computer