---------✳︎---------✳︎--------- ⁂ Brand New, Unused ⁂ Immediate purchase welcome, no comments needed ⁂ Usually ships within 24 hours Outdoor goods, electronics, kids' items, etc... #Itchyshop ---------✳︎---------✳︎--------- 【High-Performance Wireless Technology】 The YYK-520 is equipped with the latest wireless version V5.3+EDR, providing a stable connection and high-quality sound. 【Long-lasting Usage】 It achieves a maximum playback time of 12 hours, and charging is completed in about 1.5 hours. The standby time is a very long-lasting 150 hours. 【Lightweight Design】 With a lightweight design of only 12g, it's comfortable even for long periods of use. The ergonomic design makes it easy to fit in your ear. - Model: YYK-520 - Wireless Version: V5.3+EDR - Impedance: 10Ω - Microphone Sensitivity: -42dB - Battery Capacity: 60mAh - Playback Time: 12 hours - Charging Time: Approximately 1.5 hours - Standby Time: 150 hours - Weight: 12g/71g - Charging Voltage: DC5V/1A - Compatibility: A2DP/AVRCP/HFP/SPP/EDR - Wireless Frequency: 2.4GHz - Transmission Distance: <10m - Operating Temperature: 10~40℃