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These magnetic neckband earbuds are the perfect complement for your daily lifestyle. With its flexible collar and lightweight design, you can now enjoy music as it was meant to be. These earbuds are capable of delivering good bass with clear treble due to its powerful 10mm driver. With built-in noise reduction technology, you can also enjoy a crisp and clear conversation over the phone.  
BT Version: 4.2
Driver: 10mm
Impedance: 16Ω
Sensitivity: 100 +/- 3dB
Frequency: 20Hz-20kHz
Output power: 5mW
Battery: Polymer Lithium 110mAh
Talk time: Up to 8 hours
Music playtime: Up to 7 hours
Operating frequency: 2.4GHz
Charging voltage: 5V
Operating voltage: 3.7V
Weight: 21g