Color:WHITE Koniycoi NK5 - Quick/stable connection BT 5.0 HD sound TWS wireless earphones Small size with sound quality and intelligent voice, it has contracted various unique skills of KONIYCOI TWS NK5. Specification: Bluetooth Version: Blue trum V5.0 Battery capacity: earbuds 40mAh*2,charging box 400mAh Frequency range: 20-20kHz Driver unit: Φ10mm Sensitivity : 95 ±3dB Wire: 0.7m ±0.1m Input voltage: DC-5V Output power: 4.2V Working distance : ≤10m Play time: 4 - 6 hours Charging time: ≤1.5 hr Support profiles: HFP,HSP,A2DP,AVRCP Although it is an in-ear design, the silicone earplugs are very short actually. The oval design can close the ear canal well in actual wear but not too deep. It is more comfortable to wear.
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