TOKYO, Aug 14 (Reuters) - Japanese government bond prices eased on Wednesday with yields coming off three-year lows along with U.S. Treasuries, after Washington said it would delay imposing tariffs on some Chinese imports.

Benchmark 10-year JGB futures 2JGBv1 dropped 0.15 point to 154.76, snapping a four-day gaining streak, with a trading volume of 19,910 lots by late afternoon trade.

The key 10-year cash JGB yields JP10YTN=JBTC rose 1.5 basis points to minus 0.225%, off its three-year low touched the previous day.

The 20-year JGB yield JP20YTN=JBTC gained 2 basis points to 0.090%, while the 30-year JGB yield JP30YTN=JBTC rose a basis point to 0.195%, also moving away from their three year lows marked Tuesday.

At the shorter end of the market, the five-year JGB yield JP5YTN=JBTC rebounded 1.5 basis points to minus 0.305%, while the two-year JGB yield JP2YTN=JBTC added 1.5 basis points to minus 0.275%.

U.S. Treasury yields advanced across the board on Tuesday, with the key 10-year yield climbing to 1.680% US10YT=RR, after the Trump administration delayed imposing a 10% import tariff on laptops, cellphones, video game consoles and a wide range of other products made in China. US/N

(Reporting by Tokyo Markets Team; Editing by Shounak Dasgupta)

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