BT speaker 524

Power supply: USB 5V Power RMS: 3W×2 Speaker: 2 inches × 2 Signal-to-noise ratio (SNR) SUR: ≥84dB Frequency response (FR): 70Hz-20KHz Input sensitivity: 500mV Impedance: 4Ω Interface: USB connector, φ3.5 stereo input Function: Volume adjustment via knob, LED indication

Power supply: USB 5V Power RMS: 5W + 3W x 2 Speaker: 3 inches + 2 inches × 2 Signal-to-Noise Ratio (SNR) SUR: ≥85dB Frequency response (FR): 20Hz-20KHz Input sensitivity: 1000mV Impedance: 4Ω 11 Interface: USB head φ3.5 stereo input Features: Master volume control, bass knob, RGB lights, Bluetooth Product dimensions: W100 × D120 × H135 mm, L65 × D63 × H80 mm

Power supply: USB 5V or 3.7V 3.7V lithium battery Power RMS: 3W×2 Speaker: 2 inches × 2 Signal-to-noise ratio (SNR) SUR: ≥84dB Frequency response (FR): 70Hz-20KHz Input sensitivity: 500mV Impedance: 4Ω Interface: USB connector, φ3.5 stereo input Function: Volume adjustment via knob, LED indication

Box material ABS Power supply method: Lithium battery Waterproof grade: not waterproof Built in battery capacity 1200mAh-2000mAh (inclusive) Connection method: Bluetooth connection Is there a built-in battery Applicable scenarios include car, desktop, fitness, outdoor, home, mobile and portable, outdoor lawn, and others Listing date: Spring 2026 Frequency response range 100HZ-20KHZ Signal to noise ratio ≥ 75dB Number of speakers 2 Effective distance of 10 meters Appearance size 245 * 105 * 152 Colors: Black, Red, Blue, Milky White Bluetooth version 5.3 Rated power 10w Rated voltage 3.7v Additional functions include card insertion, voice prompts, call function, and payment announcement