NGS Roller Pineapple, 3 W, 20 - 20000 Hz, 80 dB, Wireless, A2DP, AVRCP, HFP, HSP, 393.7" (10 m) NGS Roller Pineapple. RMS rated power: 3 W, Frequency range: 20 - 20000 Hz, Sensitivity: 80 dB. Connectivity technology: Wireless, Bluetooth profiles: A2DP, AVRCP, HFP, HSP, RF transmission range: 393.7" (10 m). Product color: Black, Product design: Cylinder. Recommended usage: Universal. Power source type: Battery, Battery capacity: 500 mAh