Very detailed instruction book very impressed.
Cost price ฿1290.
My asking price includes EMS/Kerry postage.
1More E1001 triple driver earphones, cable braided non-kinking 1.2 m with volume controls and 3.5mm gold plated plug,99dB sensitivity,20-40,000 Hz. Unable to use with iPad Air 4 which is Bluetooth ONLY!! These units cost up to ฿3990 on Lazada. Price includes EMS/Kerry postage.