: Found in Smart POS terminals , handheld code scanners, and 4G Digital Video Recorders (DVRs).
On smartwatches, users can sometimes improve audio latency by enabling "Developer Options" and adjusting the AVRCP Bluetooth version to 1.6. spreadtrum sl8541e
Integrated 4G LTE (Cat 4) support ensures consistent connectivity for standalone devices, alongside Wi-Fi, Bluetooth 5.0, and GNSS (GPS/GLONASS). : Found in Smart POS terminals , handheld
: Extensively used in "Full Android" smartwatches and high-end children's watches (e.g., Rainbuvvy 4G LTE Smart Watch , Xiaomi Mi Rabbit ). : Found in Smart POS terminals