Features:

1. Powerful Immersive Bass—— Double passive diaphragm to produce sound at the same time. bass is deeper, high pitch is more loud.
2. TWS Wireless Stereo Function—— Thanks to TWS function, pair two BW-WA2 speakers, you can achieve true wireless bluetooth playing for left and right channels separated of two BW-WA2 speakers. 
3. 4000mAh Emergency Powerbank, U disk can be inserted for more songs, AUX cable to connect to your other non-Bluetooth audio devices. Built-in microphone and hands-free features, so you can easily answer the mini portable speaker in the car, bathroom, home or office anywhere.
4. NFC function—— In ON status,the speaker would remember to connect the smart phone that last time used when the smart phone closed to speaker.
5. Portable to Carry——The portable outdoor bluetooth wireless speaker easily stows away in your backpack, enjoy music when climbing, biking, camping, or at the beach.