Bluetooth 5.0 3D Wireless Stereo Earphone Mobile Phone Headband Sleep Soft Headphone 2020 Sleeping Eye Mask Music Headset
Bluetooth protocol: V5.0 Frequency range: 20HZ-20KHZ Charging voltage: 3.7V-4.2V Charging current: 150-200mA Sensitivity: 88DM S/N ratio: 90db Speaker impedance: 32Ω±15% Speaker specifications: φ30mm Operating range: 10m Charging time: 2H Duration of use: 10H (60% volume) Battery capacity: 200mAh lithium battery Bluetooth search name: BT-0 Material: polyester + cotton Package Included: 1 x Bluetooth eye mask 1 x Charging Cable ( No Retail Package)
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
