Model：BW-SDB0 Pro
Material：Iron Mesh + PC
Dimensions：410*66*75mm
Net Weight：919g
Output Power：10W (5W*2)
Working Voltage：DC 5V
Battery Capacity：2200mAh
bluetooth Version：4.2
Transmission Distance：≦10m
Data Transmission Rate：2.1Mbps (over the air), 300Kbps (over UART)
Supported Protocols：SPP (Serial Port Profile), A2DP (Advanced Audio Distribution Profile), AVRCP (Audio/Video Remote Control Profile)
Audio Decoder：SBC (Subband Codec)
Speaker DC Impedance：4Ω
Speaker Sensibility：84dB
Signal-to-noise Ratio：≥65dB
Speaker’s Effective Frequency Response：100-16KHZ
Working Time：50% Voice Volume——3-4H, 100% Voice Volume——1.5H
USB Charging Time：2-3H
Working Temperature：-10℃ — +45℃
Certifications：FCC, RoHS, CE
