Q: What is the frequency range reproduced from the speaker (without a resonant cavity - as if the speaker itself was attached to the test equipment pickup microphone)?
A: The frequency range is 120 hz~ 16khz. Performance depends on what material it touches. There is a microphone inside that you can use while on a phone call.
Q:Is the dual speaker a set of 2 separate speakers or 1 unit with 2 speakers in it?
A:It's a separate speaker. 2 speaker can be set up a stereo sound system.
Q:If I touch this to my head, only I can hear it?
A:Yes, you're right. It can be heard by yourself only, because of its bone conduction function, and it's different sound feeling compared to a normal speaker.
Q:How many watts?
A:The speaker is 3 watts.
Q:Does it come with ancharger? Can you leave it charging?
A:There is a USB charging cable, which is compatible with normal phone USB charger/car charger. It supports charging protect, it will stop charging while charged.
Q:Can more that two be paired together or is it limited to just two?
A:Only two units maximum can be paired.
Q: What’s the frequency range it reproduced?
A:The frequency range is 120 hz~ 16khz. Performance depends on what material it touches. There is a microphone inside that you can use while on a phone call.
Q: What’s the battery life when charged?
A: With the maximum volume level, the working time will be 1.5~2 hours, depending on light music or heavy music. If you keep 80% volume level, the working time will be 3.5-4 hours.
Q: What is the charging method?
A:We provide standard USB cable with TypeC port, which is compatible with normal phone/car USB charger.
Q: Is the dual speaker a set of separate speaker, or 1 unit with 2 speakers in it?
A:It can work independently, but if you have 2 speakers in hand, you can set up them to a stereo sound channel, which uses TWS technology.
Q: If I touch this to my head, only I can hear it?
A:Yes, you're right. It can be heard by yourself only, because of its bone conduction function, and it's different sound feeling compared to a normal speaker.
Q: How many watts?
A:3 watts.
Q: What’s the dBs?
A:The maximum sound volume is about 110 dB.
Q: Are thay waterproof?
A: It not support waterproof.