Quick info:

1. Bluetooth speaker SP300
2. Wireless, portable music player
3. Handsfree call is supported
4. NFC makes fast matching

Specifications:
Bluetooth: 4.0 version
Output power: 3W x 2 RMS(Left&Right channel)
Bluetooth profiles supported: HSP, HFP, A2DP and AVRCP
Frequency Response: 20HZ~20KHZ
Charging input voltage: DC 5V
Operating distance: 10 meter
Battery logevity: phone call 4 hours;  music play 3 hours; standby 500 hours
Dimention: L 21.2cm * W 6cm * H 5.8cm