Screen size
U3300Winner: 2.0"+25%
Watch Buds 21.5"
Quick verdict
Watch Buds 2 leads the measured specs 8-5.
Measured wins
U3300
5
spec wins
Ties
1
equal specs
Watch Buds 2
8
spec wins
Overall winner
Screen size
Technology
U3300
GSM / UMTS
Watch Buds 2
No cellular connectivity
2G bands
U3300
GSM 900 / 1800 / 1900
Watch Buds 2
N/A
3G bands
U3300
UMTS 2100
Watch Buds 2
N/A
Speed
U3300
Yes, 384 kbps
Watch Buds 2
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
No
4G bands
U3300
-
Watch Buds 2
N/A
GPRS
U3300
-
Watch Buds 2
No
EDGE
U3300
-
Watch Buds 2
No
Announced
U3300
2008, Q2
Watch Buds 2
2026, April 20
Status
U3300
Discontinued
Watch Buds 2
Available. Released 2026, April 20
Dimensions
U3300
98 x 46.4 x 16 mm, 65 cc (3.86 x 1.83 x 0.63 in)
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Weight
U3300
Watch Buds 2
54.5 g (1.90 oz)
SIM
U3300
Mini-SIM
Watch Buds 2
No
Build
U3300
-
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Other
U3300
-
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Type
U3300
TFT, 65K colors
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Size
U3300
2.0 inches, 12.6 cm2 (~27.7% screen-to-body ratio)
Watch Buds 2
1.5 inches
Resolution
U3300
176 x 220 pixels (~141 ppi density)
Watch Buds 2
466 x 466 pixels (~310 ppi density)
Card slot
U3300
microSD (dedicated slot)
Watch Buds 2
No
Phonebook
U3300
1000 entries
Watch Buds 2
-
Call records
U3300
20 dialed, 20 received, 20 missed calls
Watch Buds 2
-
Single
U3300
2 MP
Watch Buds 2
-
Video
U3300
Yes
Watch Buds 2
-
Single
U3300
VGA videocall camera
Watch Buds 2
-
Video
U3300
Watch Buds 2
-
Loudspeaker
U3300
Yes
Watch Buds 2
No
3.5mm jack
U3300
Yes
Watch Buds 2
No
WLAN
U3300
No
Watch Buds 2
No
Bluetooth
U3300
1.2, A2DP
Watch Buds 2
5.2, A2DP, LE
Positioning
U3300
No
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
Radio
U3300
FM transmitter (optional)
Watch Buds 2
No
USB
U3300
2.0
Watch Buds 2
No
NFC
U3300
-
Watch Buds 2
Yes
Sensors
U3300
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Messaging
U3300
SMS, MMS, Email
Watch Buds 2
-
Browser
U3300
WAP 2.0/xHTML, RSS read
Watch Buds 2
-
Games
U3300
Yes
Watch Buds 2
-
Java
U3300
No
Watch Buds 2
-
Other
U3300
MP3/MP4/AAC player Predictive text input Organizer Photo editor Video streaming
Watch Buds 2
-
Type
U3300
Removable Li-Ion battery
Watch Buds 2
Li-Ion 410 mAh
Charging
U3300
-
Watch Buds 2
Wireless
Colors
U3300
Black
Watch Buds 2
Black, Silver
Models
U3300
-
Watch Buds 2
LBA-B19
Price
U3300
-
Watch Buds 2
About 440 EUR
OS
U3300
-
Watch Buds 2
HarmonyOS
Other
U3300
-
Watch Buds 2
No