- A 12 hour battery means the SRS-XB21 can party even longer than you can.
- The system passes the drop test from 1.22m on plywood of 5cm thickness conforming to MIL-STD 810 F Method 516.5-Shock.
- 20 Hz – 20,000 Hz (44.1 kHz sampling)
- Stereo Mini Jack (IN) ,micro USB
- Battery 12hrs(Standard mode / Lighting off)
- Size 42mm
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