The product has Bluetooth function and is marked with the Bluetooth logo (Bluetoothlogo) on the appearance of the product, which must be certified by BQB.
Lanya Testing is a Bluetooth BQB certified laboratory.
BQB Bluetooth certification process.

BQB Bluetooth certification cycle and sample requirements.
Yes.
1) Certification period: 1-2 weeks;
2) Number of samples: 2 finished products, 2 engineering samples (enter BQB test mode).