Wireless Headphone, Rowkin Mini Bluetooth 4.1 Sport In-Ear Earbud Headset with Noise Cancelling Mic and Portable Charging Case. Smallest Cordless Hand-free Earphone for Music and Calls (Space Gray)

1. The World's Smallest Wireless Bluetooth Earbud
2. Designed for Sports
3. Innovative Portable Charging System
4. Smart Multipoint Support
5. Premium Material and Finish
6. Audio Enhancement with Bi-directional cVc Noise Reduction
7. Compatible to All Bluetooth-enable Devices
8. 12 Month Warranty
9. Specifications:
Dimension:
Earbud: 14mm (D) x 20mm (L)
Portable charging case: 16mm (D) x 56mm (L)
Weight:
Earbud: 0.1 oz
Portable charging case: 0.5 oz
Battery type: Rechargeable lithium-ion polymer battery
Battery capacity:
Earbud: 18mAh
Portable charging case: 110mAh
Charging time:
Earbud: ‰¤60 minutes
Portable charging case: ‰¤120 minutes
Standby time (power on): about 80 hours
Standby time (power off): about 60 days
Music/Talk time: up to 60 minutes (up to 6 hours with the portable charging case)
Frequency response: 100Hz-15kHz
Bluetooth version: 4.1
Bluetooth profiles: HFP, HSP, AVRCP, and A2DP
Audio enhancements: cVc noise reduction