Promate IPX5 Water-Resistant Sporty Wireless Earphones

• Bluetooth: v5.0
• Bluetooth Profile: A2DP/HFP/HSP/AVRCP
• Chipset: BK3266
• Impedance: 32
• Frequency: 20Hz-20KHz
• Battery: 100mAh
• Battery Type: li-on
• Usage Time: 5-7 hours
• Standby Time: 100 Hours
• Charging time: 2 hours
• Operating Distance: 10m