Blaupunkt BT05 Portable Wireless Bluetooth Speaker with HD Sound I 1200mAh Rechargeable Battery I Built-in Mic/TF/FM for Hiking,Camping, Bikers

From the manufacturer

The 52 mm speaker can produce a maximum audio output of 6 watts in crystal-clear detail, covering the high, mid and low frequencies.
Up to 10Hrs* of playtime means you can party all night long. The 1200mAh battery charges fast and then uses the power efficiently. (*50% volume)
Turn call into group sessions. Use the built in MIC to make your calls live. Groups can talk at the same time. And all voices will be heard. Great for friends to get together when distances keep them apart.
Portable, Lightweight & Easy to Carry: Just pick it up and get going. Compact and lightweight this system is meant to go with you every where, perfect travel companion. It is small enough to carry yet big enough to get a party started.
Multiple Connectivity: Now don’t restrict your music source and connect this performer with almost any device via Bluetooth to play whatever makes you grove.
Bluetooth 5.0 gives you perfect connectivity with a fab range. So you stay mobile and can keep moving without losing a the connection. Pairing is easy and simple. And all connections are strong.