BT speaker 401
Power supply: lithium battery 800mA.h
Power: 5W
Speaker: φ45mm
Signal-to-noise ratio (SNR) SUR: ≥87dB
Frequency response (FR): 20Hz-20KHz
Input sensitivity: 1000mV
Colors: white, pink, red wood grain
Impedance: 4Ω
Interfaces: USB interface, φ3.5 stereo input, TF
Function: button control, Bluetooth, FM, MP3, AUX
Product size: L118×D118×H65 mm
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BT speaker 517
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
BT speaker 521
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
BT speaker 515
Box material ABS
Power supply method: Lithium battery
Waterproof grade ipx 6
Built in battery capacity 2000mAh-4000mAh (inclusive)
Connection method: Bluetooth connection
Is there a built-in battery
Applicable scenarios: Outdoor lawns
Listing date: February 2024
Frequency response range 20Hz-20KHz
Signal to noise ratio ≥ 70db
Number of speakers 2
Exterior dimensions 232 * 109 * 111
Colors: Black, Red, Blue, Camouflage
Bluetooth version 5.3
Rated power 30
Rated voltage 5
Additional features call function
BT speaker 527
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
BT speaker 512
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, outdoor lawn
Listing date: Spring 2026
Frequency response range 100HZ-20KHZ
Signal to noise ratio ≥ 95dB
Number of speakers 2
Effective distance of 10M
Exterior dimensions 230 * 116 * 137
Colors: milky white, black, orange, blue
Bluetooth version 5.3
Rated power 30
Rated voltage 3.7
Speaker type: Outdoor speaker
Additional function card insertion
BT speaker 513
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