Marshall Stockwell II Bluetooth Speaker Marshall Stockwell II Bluetooth Speaker Color: BLACK & BRASS Purchased and used a few times, but I am selling it because I use other devices and do not need it. Please purchase with the understanding that it is a used item. Excerpt from the instruction manual: The STOCKWELL II has a built-in battery and can play for over 20 hours at moderate volume. You can charge your smartphone, tablet, or other compatible devices using the USB-C jack on the side of the STOCKWELL II. A USB-C lead and a connector suitable for your device are required (sold separately). With its built-in battery, it can be used outdoors for camping, at the beach, etc. Size: W18 x H16 x D7cm Weight: Approx. 1.38kg Bluetooth Ver.: Bluetooth 5.0 Supported Codec: SBC Audio Input: 3.5mm stereo mini plug Waterproof Standard: IPX4 (drip-proof) Continuous Playback Time: Approx. 20 hours Full Charge: Approx. 5 hours Quick Charge: Approx. 6 hours of continuous playback with 20 minutes of charging Retail Price: 37,980 yen