New device integration based on the EarFun Air Pro 4 implementation,
adapted to match the Free Pro 3 specifications:
- Qualcomm QCC3072, Bluetooth 5.3
- Codecs: SBC, AAC, aptX, aptX Adaptive (no LDAC, no LC3)
- 10-band equalizer
- Hybrid ANC (4 modes: ANC, wind noise, ambient, normal)
- 6-mic array with cVc 8.0
- Game mode (<55ms low latency)
- Multipoint (2 devices)
- 3 batteries (left, right, case)
- Touch gestures (single/double/triple/long press per earbud)
Differences from Air Pro 4:
- No LDAC codec, only aptX + aptX Adaptive
- No LE Audio / Advanced Audio Mode
- No in-ear detection setting
Detection: name "EarFun Free Pro 3", MAC prefix 70:5A:6F,
9 SDP UUIDs (includes 0000110c AVRCP Target, excludes Air Pro 4's
df21fe2c/180f/180a UUIDs).
