Proda PD-BT510 TWS Earbuds

Wireless version: V5.4 Transmission distance: ≥10m Driving unit: ϕ13mm Frequency response: 20Hz~20KHz Resistance: 32Ω Rated power: 3mW Charging case Battery capacity: 300mAh Headphone battery capacity: 35 mAh Charging case charging times: ≈4 Input: 5v-1A Playing time: ≈4.5h Call time (with one earbud): 4h Standby time: 120 days Charging time: ≈ 120 minutes Net Weight: 46.5g±2g Charging case size: 54.3*46.2*21.5 mm