These Gaosa Sport Bluetooth headphones feature wireless in-earphones with earhook 4.1 earbuds and microphone; they are sweat-proof, noise-cancelling, and ideal for working out and running.
Bluetooth Specification: 4.1+EDR
RF Range:30 Foot
Supports IPHONE battery display
Calculating Conversation Time: about 6 hours
Charging time: 1-2 hours
Support all devices with bluetooth function
- Bluetooth sport earbuds