Chipset: Unit Kingdom import CSR
Sound System:Stereo Dual Track
Battery: Rechargeable Lithium Polymer Battery
Support Profiles: Headset, Handsfree
IOS Battery Displays: Yes
Volume Control/Next song: Yes
Voice Prompt: Yes
Input charging Standard:DC 5V
sensitivity: 90db ± 3db
frequency response: 20-20000hz
Best Transmission Distance:10m(barrier-free space)
Earphone weight: 6.7g
Feature: Support connect two device at the same time
1 * Bluetooth earphones (Contain Ear Hooks and Ear Tips )
1 * usb charging cable
2 * pair silicone earmuffs (S)
1 * pair silicone earmuffs (M)
1 * Cable buckle
1 * Cable Clamps
1 * Earphone bag
1 * user manual
*Do not make it charging 10 hours continuously for the sake of lifespan.
*Do not attempt to take apart the product, especially non-professionals.
*Do not expose it to the sun or high heat. High heating will short lifespan of electronic components, damage battery and deform some plastic parts.