As one of the top five mobile phone manufacturers in the world in terms of shipments, OPPO has also launched its own true wireless earbuds, and the earlier Oppo O-free was one of the first products to use Qualcomm's QCC3026 chip solution at that time.

OPPO currently has three true wireless earbuds on sale: Enco Free, W31 and W51, they all use Hengxuan BES2300 chip, although it does not use the mainstream Qualcomm scheme, but the Hengxuan scheme will not necessarily be worse than Qualcomm's, Sony WF-1000XM3 uses this chip.

Although the Bluetooth chip is the same, the positioning of Oppo's three headphones is slightly different: W31 positioning entry, the main cost performance, using in-ear design and 7mm sound unit, the sound quality is decent, the price is 299 yuan; Enco Free positioning is higher, using a semi-in-ear design and a larger 13.4mm sound generating unit, and there are double four-layer voice coils and dual magnetic circuit design, the sound quality is better than W31, and the semi-in-ear wearing is also more comfortable, priced at 599 yuan.

As for W51, it is OPPO's latest product,On the basis of W31, the active noise reduction function is added,Noise reduction depth up to35db,Plus the design of three-microphone call noise reduction and windproof noise duct,The actual noise reduction effect is similar to that of AirPods Pro,Price499,Very cost-effective。

In general,OPPO's three true wireless earbuds have their own characteristics,W51The price at the entry level has achieved a thousand yuan of active noise cancellation,The most worth buying,W31Although the sound quality and noise reduction are average,But the price of 299 is OK,Suitable for users who pursue not much,Enco Free Although there is no noise reduction,But it has good sound quality and comfortable wear,Suitable for users who pursue sound quality。