Bluetooth Stereo Metal Magnetic In-ear Headset Hands-free Earphone Headphone

Description For listening musics and hands-free phone talking during sports or driving via this bluetooth headset. Bluetooth version: 4.1+ EDR, which makes pairing with smartphones much easier and faster. Bluetooth 4.1 headset with 10 meters bluetooth distance, easy to use. Perfect for driving, sports, vacation, walking, running, casual, etc. Light and compact bluetooth headphone, convenient to wear and carry. You can enjoy clear stereo sounds. Specification: Color: show as pictures. Size: 58x12x8mm, 640mm(total length). Sounds: stereo sounds, sopport AAC. Bluetooth version: 4.1+ EDR. SNR: ≥90dB. Distortion: ≤ 0.1%. Frequency: 2.4GHz-2.480GHz. Sensitivity: -80DMB<0.1%BER. Battery capacity: 55mAh. Bluetooth Range: 10 meters. Play/Work time: 5 hours. Charging time: 1-2 hours. Note There might be a bit color distortions due to different computer resolutions. There might be a slight error due to different hand measurement. Package included: 1* Sport earphone. 1* USB cable. 1* User manual.