Характеристики беспроводной колонки GGMM M4:
(На Английском языке но думаю и так всё понятно)
Retro design with handcrafted leather and brushed aluminum panel, easy to carry anywhere
- 3 speakers, two dome tweeters and two 3.5 inches kevlar middle-low frequence speakers create a powerful sound effect for you
- Built-in 10400mAh li-ion battery support 8hrs playing time and it can be fully charged for only 2hrs
- Play music from your devices or stream from online sources
- Supports multi-room play and separate L / R channels
- Compatible with iOS / Android / Windows / Mac OS
- Can be controlled through GGMM app gives you an unique feeling
- No soud loss with Wi-Fi or Bluetooth during transmission to HIFI deivces
- Streaming online music services like Spotify, Pandora, iHeart Radio
- Supports multi-room play and separate L/R channels
- Compatible with iOS / Android / Windows / Mac OS
- Through GGMM app you can fully control your music playing

Купить GGMM M4 можно тут.