NEW MP3 PLAYER:
Leading the pack is the Cowon S9, which pulled off 36 hours of music playback and a mind-boggling 11 hours of video during CNET Labs testing. For those with more refined tastes (and bigger wallets), the Sony X-Series Walkman offers stunning OLED picture quality, a capacitive touch-screen interface, exceptional audio quality, and an integrated pair of active noise-canceling headphones. It also goes the distance with 33 hours of audio playback and 9 hours of video.
The Samsung P3, Apple iPod Touch, and Microsoft Zune HD, all offer a great balance of audio and video battery life, averaging 30 to 40 hours of audio and 6 to 8 hours of video. If your needs (or budget) run more to the modest end of the spectrum, the Philips GoGear Spark is a great buy with 32 hours of battery (CNET Labs results) life and an ultracompact design.
MP3 players with the best battery life
Has the daily ritual of recharging all your portable devices become so loathsome that adding one more gadget to the list might just make you snap? Or maybe your extreme, jet-setting lifestyle requires a portable music player that can run for more than 30 hours without a recharge? Well, you’ve come to the right place. We’ve assembled this list of our favorite long-haul MP3 players, all of which are capable of a week’s worth of casual usage without a recharge.

Sony Ericsson vivaz phone:
the latest Sony Ericsson's latest style phone certainly cuts a dash with its unique curvy shape. But its focus is on HD video capture, rather than just movie viewing, with its 8.1Mp stills camera also capable of recording moving images in 720p HD. With Wi-Fi, HSDPA 3G, A-GPS and social networking apps, the Vivaz adds up to much more than a mere fashion phone

High marks for Sony Ericsson on the design front – the Vivaz is stylish sliver of seamless cool. The sloping lines that top and tail the front look good enough and, at the bottom, just a thin curved strip of three buttons: call start and stop, plus menu. From the side, it's all space age minimalism with a dynamic curve running through three sides. SE calls it 'human curvature'. While it doesn't look like any human we're aware of – with its blue-black sheen on the sides and choice of metallic silver, black, blue or red – frankly, it looks gorgeous.
It has a volume rocker, which doubles as a camera zoom, plus two dedicated buttons for both still and video cameras. There's a micro USB slot – yes, SE is steadily saying goodbye to its ill-starred FastPort – covered by a plastic grommet and a 3.5mm headphone jack tucked into the corner. On the back is the slightly recessed camera lens and LED flash set in a perfect circle. It feels comfy in the hand too, not big or heavy at 107 x 52 x 13mm and 97g, yet still feeling substantial.

Palm Treo:

       General Feture
2G Network GSM 850 / 900 / 1800 / 1900


3G Network HSDPA 850 / 1900 / 2100

Announced 2006, September

Status Available

Size Dimensions 111 x 58 x 22 mm

Weight 154 g

Display Type TFT resistive touchscreen, 65K colors

Size 240 x 240 pixels, 2.5 inches

- Full QWERTY keyboard

- 5-way navigation button

Sound Alert types Vibration; Downloadable polyphonic, MP3 ringtones

Speakerphone Yes

Memory Phonebook Practically unlimited entries and fields, Photocall

Call records Practically unlimited

Internal 60 MB

Card slot miniSD, up to 2GB, buy memory

Data GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps

HSCSD No

EDGE Yes

3G Yes, 384 kbps

WLAN No

Bluetooth Yes, v1.2 with A2DP

Infrared port Yes

USB Yes

Camera Primary 1.3 MP, 1280 x 1024 pixels

Video Yes

Secondary No

Features OS Microsoft Windows Mobile 5.0 PocketPC

CPU 300 MHz Samsung processor

Messaging SMS, MMS, Email

Browser WAP 2.0 / HTML (PocketIE)

Radio No

Games Bubble Breaker, Solitaire

Colors Black

GPS No

Java Yes, MIDP 2.0

- MP3/AAC/AAC+/WMA/OGG/AMR player

- WMV/MP4 player

- Organizer

- Pocket Office (Word, Excel, PowerPoint, PDF viewer)

- Voice memo

Battery Standard battery, Li-Ion 1200 mAh

Stand-by Up to 240 h

Talk time Up to 4 h 30 min

MAGIC WORLD OF BLACK BERRY PHONE:
The RIM BlackBerry Curve 8900 offers a sleeker and more solidly constructed organisation as well as a magnificent display. The smartphone features Wi-Fi, Bluetooth, and GPS and brings newborn fecundity tools, a filled HTML Web browser, and a 3.2-megapixel camera.

Weight 110 g

Display Type TFT, 65K colors

Size 480 x 360 pixels, 2.4 inches

- Full QWERTY keyboard

- Trackball navigation

- Wallpapers

Sound Alert types Vibration; Downloadable polyphonic, MP3 ringtones

Speakerphone Yes

Memory Phonebook Yes, Photocall

Call records Yes

Card slot microSD (TransFlash) up to 16GB, buy memory

Data GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps

HSCSD Yes

EDGE Class 10, 236.8 kbps

3G No

WLAN Wi-Fi 802.11b/g

Bluetooth Yes, v2.0 with A2DP

Infrared port No

USB Yes, microUSB

Camera Primary 3.15 MP, 2048x1536 pixels, autofocus, LED flash

Features Geo-tagging, image stabilization

Video Yes, 240x180 pixels

Secondary No

Features OS BlackBerry OS

CPU 512 MHz processor

Messaging SMS, MMS, Email, Instant Messaging

Browser HTML

Radio No

Games Yes + downloadable

Colors Black

GPS Yes, with A-GPS support

Java Yes

- MP3/AAC/AAC+/WMA player

- DivX/XviD/MPEG4/WMV player

- BlackBerry maps

- Organizer

- Voice dial

Battery Standard battery, Li-Ion 1400 mAh

Stand-by Up to 356 h

Talk time Up to 5 h 30 min