[0119] Q1 IPX8 Waterproof Head-mounted Bone Conduction Wireless Sports Headphones
Features:
-Transmission sound through vibrations in the human elease both ears, which prevents impairment compare with ordinary hearing headphones.
-This Headset is built-in 8G of memory, you can listen to music without a cell phone when you are exercising.
-This IPX8 tested waterproof player is perfect for listening to your favorite music when you swim.
-Wraparound head is light and flexible, ensuring comfort during long wear.
-The built-in storage 8G large capacity, can carry up to 2000 music, let you get rid of the mobile phone, free movement.
Description:
Ipx8 waterproof head-mounted bone conduction wireless sports headphones, it will give you an excellent experience, which is very suitable for outdoor activities and daily wear.

Specifications:
Chip: version 5.0
Receiving distance: within 10 meters
Working frequency: 2.402GHz~2.480GHz
Transmitting power: CLASS2, MAX4dbm
Signal to noise ratio: >75dB
Distortion: <1%
Working frequency: 500HZ – 40,00 HZ
Speaker diameter: 20.8 mm
Speaker impedance: 8 ohm
Speaker power: 2W
Charging input voltage: DC5±0.25V
Battery specification: 3.7V/220mAh
Voltage: 3.7V (3.3-4.2V)
Charging time: ≤3H
Microphone sensitivity: -42±3DB
Low voltage prompt: 3.0V
Speaker specification: 16Ω±15%
Continuous playing music time: ≥6H
Standby connection time: ≥20H
Working current: ≦30mA (the greater the volume, the greater the current)
Quiescent current: ≦5uA
Package Included:
1 * headphone
1 * memory sponge
1 * data cable
1 * Manual

Notes:
-Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.
-Please allow slight dimension difference due to different manual measurement.