6 Ring Headphones Heavy Whisper In Ear Bluetooth Headset

Battery capacity :250 mAhPlay time :30 hoursMusic :750
Wear: Ear-entryDrive unit :7 mm 7mm 9mm 3 unitsFrequency range: HZ 17-22000Impedance :16ΩType: ClosedMaximum power :1 mWSensitivity :96 dB/mW±3Microphone: Embedded频率范围：20-20KHz

earphone holders allows maximum freedom on the run. Perfect Bluetooth headset solution for different occasions. Magnetic ear buds snap into place when not in use
3. Ergonomically design ensure your headphones stay comfortable firm in the ears; 
4. Magnetic attraction feature let you attached the two headphones to your neck when not using, then avoid losing them
5. Stereo sound, good bass, crystal clear and stable; With built-in Mic for handsfree phone calls
6. Compatiable with all smartphones, tablets, music players. Easy and fast pairing with bluetooth enbled devices
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