Mini Bluetooth Speakers Hands-Free Caller ID MP3 Player Mini Bluetooth Speakers Hands-Free Caller ID MP3 Player Specifications: Bluetooth version: 3.0+EDR Support: bluetooth, handsfree, TF card (small card) Transfer distance: up to 32 feet (10m) S/N ratio: ≥85±2dB Frequency responses: 50Hz-18kHz Impedance: 4Ω Output: 3W Battery: 500mAh, 3.7V Playback time: 5-6 hours Size: 38x38x43mm Net weight: [...]
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