SWISS Waves Wireless Headphone User Manual SPECS FOR PRODUCTS Bluetooth version : Bluetooth V5.3 Chipset: Bluetrum Frequency: 2.4-2.48354G (Hz) Transmission Distance: 1 Om Battery Capacity: 3. 7V /200mAH Charging Time: about 1.5-2 hour Charging Voltage: DC 5V Working temperature: -40° to +85″ Playtime (100%volume): 5 hours Standby time: about 300 hours Speaker Section Speaker Dimension: …
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