FD1 Wireless Version: 3.0. Support: A2DP V1.3. AVRCP V1.5,HFP V1.6, HSP V1.2. Bluetooth Speaker  (Multicolor, Stereo Channel)

Wireless Version: 3.0. Support: A2DP V1.3. AVRCP V1.5,HFP V1.6, HSP V1.2. Transducer: 2 x 45mm. Output Power: 15W. Frequency response: 7SHz-20kHz. SNR > 80dB. Power 5VDC USB Output: 5V 2.1A (max). Battery type: Lithium-ion polymer (3.7V 6000mAh). Battery charging time: 4 hours @ 1.8A . Music playback time: up to 12 hours (due to the volurre and audio content varies). Dimensions (height x width x thickness): 79 x 185.2 x 79 mm.