August MS425B Portable Bluetooth Speaker with Microphone - Speaker Wireless Mighty Hand Free Kit - Compatible with iPhones, Samsung, Galaxy, Nokia, HTC, Blackberry, Google, LG, Nexus, iPad, Tablets, Cell Phones, smartphones, PC's, Laptops etc (Wireless Phone Accessory)
For the price it is perfect, the sound is good and powerful (there is better, but it is more expensive) the autonomy is good and it is simple to operate. Frankly, I'm surprised at the price / quality ratio is very good ...