Power Output of 5 W:  The Stone 170 delivers a rated 5-watt output which is intended to provide “Premium HD Sound” in a compact speaker format.  Compact, Portable Design: The speaker is built to be lightweight and easily portable, making it convenient to carry along for travel, outdoor use or casual listening anywhere.  IPX6 Water-Resistance Rating:  With an IPX6 rating the Stone 170 can handle splashes and rain (though not full submersion), making it suitable for outdoors and poolside use.  Bluetooth Wireless Connectivity: Supports wireless Bluetooth connection so you can stream music from smartphones, tablets etc without wires. For some editions Bluetooth v5.0 is mentioned.  Aux and TF/SD Card Support: In addition to Bluetooth, the speaker supports AUX input and a micro-SD/TF card slot, enabling playback from non-Bluetooth devices or offline media.  Battery Pack-1800 mAh:  The internal battery is rated at approximately 1,800 mAh, which powers the speaker for a typical usage session.  Upto 6 Hours of Playback: On a full charge the speaker is claimed to deliver up to about 6 hours of continuous music playback (volume dependent) from its internal battery.  Driver Specification: ~44.45 mm Full-range Driver:  The unit uses a full-range driver of about 4.445 cm (≈ 44.45 mm) in diameter, delivering mono audio.  Frequency Response Specification : The speaker lists a frequency response of around 120 Hz to 15 kHz in some versions, giving a sense of the audible range covered.  ⚡Specifications Brand: boAt Model Name: Stone 170  Color: Black, Cobalt Blue Speaker Type: Mono. Rated Power Output: 5 W Driver Type: Full-Range Driver.  Driver Size: ≈ 4.445 cm (44.45 mm).  Frequency Response: ~120 Hz to 15 kHz (Some Variants)  Impedance: 4 Ω. Bluetooth Version: V5.0 (In Newer Edition).  Bluetooth Range: Upto ~15 m in Open Space.  Battery Capacity: 1800 mAh Lithium Battery.  Playback Time: Upto Approx. 6 Hours on a Full Charge. Charging Time: Approx. 4 Hours (Varies by Version).  Water Resistance Rating: IPX6 (Splash-Proof, Not Fully Waterproof).  Connectivity Modes: Bluetooth + AUX input + TF (micro-SD) Card Playback  Built-in Microphone: Yes (for Hands-Free Calls).