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Harman Kardon Onyx Studio 3 - Bluetooth Speaker The Harman Kardon Onyx Studio 3 is a premium portable Bluetooth speaker that delivers powerful, room-filling sound with up to 5 hours of wireless playtime. Featuring iconic design, dual sound connectivity, and advanced noise-cancelling microphone technology, it is perfect for music lovers and conference calls alike. Key Features Wireless Bluetooth Streaming: Stream music wirelessly via Bluetooth and connect up to 3 smart devices simultaneously to take turns playing music. Rechargeable Battery: Built-in 3.7V/2600mAh lithium-ion battery supports up to 5 hours of playtime on a single charge. Dual Sound Connectivity: Wirelessly connect two Harman Kardon Wireless Dual Sound enabled speakers for an enhanced audio experience. Built-in Microphone with Noise and Echo Cancelling: Crystal clear conference calls powered by Harman's advanced noise and echo cancelling technology. Iconic Design: Crafted with high-end materials to complement any room with style and elegance. Specifications General Specifications Bluetooth Version: 4.1 Bluetooth Transmitter Modulation: GFSK, π/4 DQPSK, 8DPSK Bluetooth Transmitter Frequency Range: 2402MHz - 2480MHz Bluetooth Transmitter Power: 0 - 9dBm Dimensions (H x W x D): 278.0 x 162.8 x 258.0 mm Weight: 2071 g Rated Power: 4 x 15W (AC mode); 4 x 7.5W (Battery mode) Battery Type: 3.7V/2600mAh Lithium-ion Battery Charge Time: 5 hours Power Supply: 19V/2A Supported Profiles: A2DP 1.3, AVRCP 1.5, HFP 1.6 Music Playing Time: Up to 5 hours (varies by volume level and music content) Signal-to-Noise Ratio: 80dB A-weighted Audio Specifications Frequency Response: 50Hz - 20kHz (-6dB) Transducers: Woofer 2 x 75mm, Tweeter 2 x 20mm What's in the Box Harman Kardon Onyx Studio 3 Bluetooth Speaker Power Adapter User Manual