TW2 Features:

• HIGH TECH DESIGN
  Adopt 5.0 high version bluetooth chip. Faster transfer speed and more stable
  connection. With the push of one button you can pause and play, control the
  volume, activate Siri and more!
• AUTO PAIRING
  The earbuds will sync and pair your phone every time you pick them out of the
  smart box after pairing them when you first use them. By placing them back to
  the box, they will automatically power off and recharge after each use.
• COMFORTABLE
  The earphones have an ergonomic design that will perfectly fit your ear for
  great comfort and they will stay in place without falling off for perfect
  results. With 3 different sizes of ear caps. You can choose according to the
  size of your ear.
• IPX4 Waterproof
  Do not fear sweat when you work or sport.
• LONGER PLAY TIME & PORTABLE CHARGING
  About 8 hours music time by 1.5 hour quick charge. Portable 650mAh mini
  charging dock supports 6 times recharging.

Specification:

1. bluetooth: V5.0
2. Wireless Transmission Distance: 10 meters (Open space)
3. Power Input: DC 5V
4. Working Voltage: 3.7V
5. Built-in Microphone: Yes
6. Noise Reduction: Yes
7. Earphones Battery: 60mAh
8. Charging Box Battery: 650mAh (Can charge headphones 6 times)
9. Charging Time: About 1.5 hours
10. Music Time: 8 hours for dual headphones
11. Standby Time: Up to 150 hours
12. Single Headphones: 5.0g
13. Waterproof: IPX4
14. Color: Purple, Blue, Black & Silver, White & Silver, White