The company owns two factories, one of which is committed to manufacturing calculators, another focuses on the production&development of mobile powers and bluetooth speakers, so, our products cover:
1) students calculators ranging from primary school, junior middle school, to high middle school calculators
2) wireless speaker
3) mobile powers
We have passed the CE/ FC/ ROHS accreditation, and ISO9001 and ISO14001 accreditation.
Our products’ quality is very stable and superior, and the performance or parameters are outstanding.
|Model Number||Color||Description||More details|
|Loudspeaker output: 5W||Carton size:51*24.3*20cm|
|Playbacktime: 4~5h||packing quantities:30Pcs|
|Working voltage: DC3.7V～4.2V|
|Bluetooth Version: V5.0||Carton net weight:7kg|
|Dimension:64.7*44.6mm Net weight:169g|
|THD: <1% S/N: >80DB||Carton gross weight:7.8kg|
|Transmitting Frequency: 20Hz-20KHz|
|Material Plastic: Aluminum alloy||ODM&OEM|
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TIANYAN is a professional manufacturer of electronics products.