product description:
1. The World s Smallest Stereo Wireless Bluetooth Earbud2. Designed for Sports3. Innovative Portable Charging System4. Compatible with Bluetooth-enabled Devices5. 6 Month Warranty6. Specifications:Dimension:Earbud: 14mm (D) x 21mm (L)
Portable charging case: 16mm (D) x 56mm (L)
Weight:Earbud: 0.18 oz
Portable charging case: 0.4 oz
Battery type: Rechargeable lithium-ion polymer battery
Battery capacity:Earbud: 55mAh
Portable charging case: 140mAh
Charging time:Earbud: ≤90 minutes
Portable charging case: ≤120 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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