Choetech Waterproof Solar Charging Wireless Headphones with 2500mAh Powerbank

Product Parameters:

• Bluetooth version: V5.0
• Bluetooth operating frequency: 2.402GHz-2.480GHz
• Receiving distance: ≤15 m
• Audio S/N:≥95dB
• Battery: Lithium battery 3.7V/ 55mAh
• Microphone: digital silicon microphone 38dB
• Charging time: earbuds 1.5H，charging case about 2H
• Talking/playing time: about 6-8 hours (the actual use time depends on the type of song
• and volume requirements)
• Supporting protocol: A2DP、AVRCP、SPPP、HFP、HSP