Nillkin Stone Bluetooth Speaker Wireless Portable Mini Outdoor Speaker Bluetooth Mini Hook Speaker

Features
Mini Design Tiny in size and light in weight, the mini design Nillkin stone Bluetooth speaker is easy to take along.
High Precision Mesh Covered with the 0.6mm high precision mesh which can prevent the dust from the blow sand, the speaker is durable.
Portable Hook The portable hook brings you with great convenience. You can hook the portable Bluetooth speaker anywhere you like as long as there is something to hook on.
Rich and Melodious Sounds Full range magnet speaker, high quality dual magnet speaker brings you with purely nature sound.
Hands Free With built in high quality MIC, you can automatically switch to calling model, completely hands free.
Specification
Bluetooth Version Bluetooth 4.1+EDR
Receiving Sensitive-85dB
Receiving Distance 10m
Frequency Range 2.402MHz-2.480GHz
Rated Power 3W
THD Less than 1%
Stereo Size 40mm, 4Ohm, dual magnet
Audio Input Stereo line input
Input Charging 5V, 500mA
Battery Capacity 600mAh
Playing Time 5 hours at normal volume
Charging Time 2-3 hours
Operating Temperature -10-55°C