X21 Air Bone Bluetooth Earphone HIFI Audio IP67 Waterproof Wireless Sports Headphones for Men/Women – Blue

• Air Bone headphone with a unique feature, that APT-X low latency sound effect, having a high sound quality

• Bluetooth earphone is made of high-quality material, which is comfortable to wear

• Upgraded Bluetooth 5.0 chip: equipped with new Bluetooth 5.0, high-speed and large-capacity, strong transmission signal penetration, faster and more stable transmission 

• Waterproof and sweat-proof: IP67 grade waterproof technology is adopted, even if you sweat during fitness, you are not afraid

• Ultralight and portable, you can wear this earphone go to the park or gym for fitness, keeping your healthy life

Specifications:

• Bluetooth version: Bluetooth 5.0

• Bare weight: 33g

• Appearance size: 130 x 110 x 50mm

• Main control chip: Broadcom BK

• Bluetooth frequency band: 2.4GHZ-2.48GHZ

• Waterproof rating: IP67

• Bluetooth distance: about 10m

• Battery capacity: 120mAh

• Standby time: about 300 hours

• Charging time: about 1 hour

• Playing time: about 5 hours