brand:OEM Is it a patent source:yes color:silver Support customization:support bluetooth protocol:5.0 transmission range:10 m patent type:Design patent Substitute brand:SONYSony chip type:Airoda Patent No:ZL201930573392.4 waterproof performance:IPX4 Whether single ear:bilateral stereo battery life:12 Function:20729137705 Listing Year/Season:2020 material:plastic How to use:headset mold type:private model Whether cross-border export exclusive supply:yes style:creative design
