BL1 In Ear Earphone Mini Wireless Stereo Bluetooth Headset Sports Earbud, Black

• Super mini size headphone, invisible and lightweight design is suitable for working, driving, running, climbing and other sports. 
• BT 4.2 Technology ensures transmitting strong signal in high speed and offering high-fidelity stereo music.
• High-sensitivity microphone grasps the detail of voice, ideal for in-car calling or working use, setting your hands free.
• With one multifunctional button, easy to control music and call. It also supports multi-point connection.

Manufacturer Specifications 

General 

• Item type:Earphone 
• Battery Capacity: 3.7V / 50mAh
• Charging Box: 3.7V 300mAh rechargeable Lithium battery
• Earphone Charging Time: about 1.5 hours
• Frequency Response Range: 20Hz-20KHz
• Sensitivity: -38dBm
• Working Time: 6-7 Hours (depends on music volume)
• Package Weight: 54g / 1.92oz
• Transmission Distance: 10m (no obstacle)
• Headphone Size: Approx. 2.0 * 1.4 * 1.2cm / 0.78 * 0.55 * 0.47in
• BT: 4.2
• Package Size: Approx. 10.2 * 7.8 * 3.2cm / 4.01 * 3.07 * 1.26in
• Impedance: 32Ω
• Headphone Weight: Approx. 4g / 0.14oz
• Charging Box Charging Time: 3-4 hours

Package Include:

• 1 x Earphone
• 1 x Charging Box
• 1 x USB Charging Cable
• 2 x Earcap
• 1 x User Manual (English)

Note:

The colors deviation might differ due to different monitor settings.