• A new generation of Bluetooth-compatible 5.0 wireless connection technology, fast connection, stable and reliable transmission
• Mini and lightweight, comfortable to wear, no pressure on ears
• Non-slip silicone shark fin design, not easy to fall off
• The charging case is designed with a detachable lanyard, easy to carry and not easy to lose

Specification:

• Bluetooth-compatible Version: V5.0
• Support Profile: A2DP v1.3, AVRCP1.6, HFPV1.7, HID v1.1, AVCTPv1.4, AVDTPv1.3, SPPv1.2 
• Working Distance Range: 10m
• Frequency Range: 2.402GHz-2.480GHz 
• Earphones Battery: 3.7V 55mAh, built-in rechargeable lithium-ion battery
• Charging Box Battery: 3.7V 500mAh, built-in rechargeable lithium-ion battery 
• Charging Voltage: DC5V 
• Earphones Charging Time: about 1.5 hours
• Charging Box Charging Time: about 2 hours