BT speaker 539

Power supply: lithium battery Power RMS: 5W Speaker: 2 inches Signal-to-noise ratio (SNR) SUR: ≥87dB Frequency response (FR): 20Hz-20KHz Input sensitivity: 1000mV Color: Green, Green, Wood Grain Impedance: 4Ω Interface: USB head φ3.5 stereo input, TF Function: button control, Bluetooth, FM, MP3, AUX Product size: L102×D62.5×H73 mm

Box material ABS+mesh fabric Power Supply Type-C Waterproof rating IPX 2 Built in battery capacity 2000mAh-4000mAh (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 Frequency response range 100HZ-20KHZ Signal to noise ratio ≥ 70db Number of speakers 2 Effective distance of 10 meters Appearance size 228 * 110 * 108 Colors: Black, Red, Blue, Camouflage Bluetooth version 5.3 Rated power 15 Net weight of product 1100g Rated voltage 3.7 Speaker type: Outdoor speaker Additional functions include card insertion, FM radio, RGB lighting effects, TWS pairing

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

Box material ABS Power supply method: Lithium battery Waterproof grade: not waterproof Built in battery capacity 2000mAh-4000mAh (inclusive) Connection method: Bluetooth connection Is there a built-in battery Applicable scenarios include in car, desktop, fitness, outdoor, home, mobile and portable, karaoke, live streaming, square dancing, broadcasting system, outdoor lawn Frequency response range 100HZ-20KHZ Signal to noise ratio ≥ 70db Number of speakers 2 Effective distance 10 Appearance size 245 * 105 * 105mm Colors: Black, Red, navy blue, khaki, military green Bluetooth version 5.3 Rated power 20 Net weight of the product is 1.17KG Rated voltage 3.7 Additional features include card insertion, waterproof, recording, lighting, anti drop, voice prompt, NFC function, and cash broadcast