Energizer BTS121 is a stereo Bluetooth speaker with two 6 W speakers, FM radio feature and USB flash drive/SD playback.

- Provides rich stereo sound with double 6 W wide-band speakers. Even bass and pure high sounds, wide frequency range.
- Bluetooth 5.2 provides a stable and smooth wireless connection.
-Functions: FM radio, telephone handsfree, USB Pendrive and Micro SD Card Play, PowerBank.
- Built-in 1800 mAh rechargeable battery.
- 10 meters wireless range for elastic music.
- Compact yet powerful perfect home, desk or gatherings.

Technical data:
- Battery: 3.7V/ 1800mAh/ 6.66Wh, lithium ion
- Nominal input (charger) voltage: 5VDC/800MA
- Nominal Output (PowerBank) Voltage: 5VDC/ 500MA
- Bluetooth version: 5.2
- features: telephone loud
- Speakers: 2pcs 6W/ 4 Ohm, D = 52mm
- Wireless range: approx. 10m
- Frequency transfer: 120Hz- 18kHz
- Dimensions: 210 (length) x 102 (width) x 102 (height) mm
- Mass: 850 +/- 10g