BRAND NEW J Free X8 - True Wireless Earbuds Crystal clear sound and pure bass performance Product model: for J L FREE X8 Wireless connection Blue tooth: 5.0 Blue tooth protocol: HFP/A2DP/ HSP/AVRCP Communication distance: 10 meters (accessible environment) Dual headphones continuously listen to songs for about 4 hours Headphone charging time: about 1.5 hours Charging box charging time: about 2 hours Communication distance: 10 meters (accessible environment)
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