Feature:1. High Definition Calls: Bluetooth earpiece with microphone supports high definition voice calls, providing clear voice and natural sound.2. Comfortable To Wear: Wireless earpiece with ear hook wear, can be adjusted according to the contour of your ear, more comfortable to wear.3. Clear Sound: Single ear wireless headset with graphene diaphragm, can make the sound heard more stable and clear, giving you a richer listening experience.4. Long Battery Life: This Bluetooth headphone uses a high polymer lithium battery with a lower power consumption 5.2 chip, music talk time of about 20 and above hours.5. Stable Signal: Bluetooth 5.2 earphone, simple and fast connection, stable signal, do not worry about listening to music and calls intermittently.Specification:Item Type: BT EarpieceMaterial: ABSTechnical Standard: V5.2 with ED (for JL 5.2 Low Power Consumption Chip)BT Protocol: A2DP AVRCP HFPTransmission Distance: Approx. 10m or 32.8ftBuilt in Polymer Lithium Battery: 140mAhSpeaker: 13mm or 0.5in Real Copper Ring SpeakerMusic Talk Time: About 20 and Above HoursStandby Time: About 88 HoursCharging Time: About 2 Hours.Package List:1 xBT Earpiece2 x Eartips1 x Instruction Manual1 x Charging Cable