
TF/SD Card Headphones, 20Hz-20kHz Frequency Response
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- T/T or L/C
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Basic Info
Payment Type: | T/T or L/C |
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Product Description
Product Description
- Foldable design, great for travel and outdoor use
- Support TF card /SD card to play music
- Support audio format of MP3
- Built-in LAN-in interface, can connect your phones, MP3 players, laptops and more can be used as wired headphones
- Built-in standard 400mA 4C polymer rechargeable battery, continuous play music to 7 hours
- USB data cable can download music while charging
- Built-in FM radio to receive your favorite channel
- Forward and backward functions
- One USB charge cable and one audio cable
- Audio frequency response: 40Hz-18kHz
- Output power: 25dBm
- S/N: ≥90dB
- Speaker: 2 x Ø40mm
- Operating voltage: 3.7V DC
- Operating current: 25mA
- Carrier frequency: 2.4GHz GFSK
- Speaker diameter: Φ40mm
- Impedance: 32Ω
- SPL: 108dB at 1kHz
- Rated power: 20mW
- Frequency response: 20Hz-20kHz
- Microphone unit: φ4*1.5mm
- Impedance: ≤2.2kΩ
- Frequency response: 30Hz-16kHz
- Operating voltage: 3.0V
- 1 x Bluetooth headset
- 1 x USB cable
- 1 x audio cable
- 1 x charger adapter
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