The Energizer BTS163 is a portable speaker for wireless audio playback over Bluetooth 5.2. It has two 8 W drivers, each with a specified impedance of 4 ohms and a diameter of 52 mm.
Choose FM radio, Micro SD card, USB or AUX playback. Hands-free calling is also supported when the speaker is paired with a compatible Bluetooth device. The stated wireless transmission distance is up to 10 m.
Its built-in lithium-ion battery is rated at 3.7 V, 1800 mAh and 6.66 Wh. The cylindrical body measures Ø102 × 193 mm and weighs 790 g ± 10 g, so it can be moved between rooms or taken along for listening.