product description:
1. The World s Smallest Wireless Stereo Headphones2. Designed for Sports3. Innovative Portable Charging System4. Premium Material and Finish5. Audio Enhancement with Bi-directional Noise Reduction and Echo Cancellation6. Compatible to All Bluetooth-enable Devices
7. 6 Month WarrantySpecifications:
Dimensions:Earbud: 14mm (D) x 21mm (L)
Portable charging case: 91mm (L) x 41mm (W) x 23.5mm (H)
Weight:Earbud: 0.18 oz
Portable charging case: 2.93 oz
Battery type: Rechargeable lithium-ion polymer battery
Battery capacity: Earbud: 55 mAh
Portable charging case: 2100 mAh
Charging time:Earbud: ≤90 minutes
Portable charging case: ≤150 minutes
Standby time (power on): about 27 hours
Standby time (power off): about 120 days
Music/Talk time: up to 3 hours
Frequency response: 100Hz-20kHz
Bluetooth version: 4.1
Audio enhancements: Noise reduction and echo cancellation
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