Impressive Sound TWS Speaker Bluetooth: Dual 5W high-performance drivers & unique Class-G double charge amplifiers deliver surprisingly clear stereo and enhanced bass sound; This TWS speaker can link one more A10 speaker to get louder stereo sound
Bluetooth 4.2 Technology: Quick to connect to your iPhone, smartphone, tablet, laptop, etc.; auto reconnects to the last-used device within 33 feet; 3.5mm AUX for non-Bluetooth devices; supports up to 32 GB Micro-SD card
Long Battery Life: Built-in 2200 mAh rechargeable Li-ion battery plays up to 16 hours at 70% volume on a full charge; recharge in just 3 hours with the included Micro USB cable