1.28' LCD Circle REFLEX - Bezel: Black- Strap: Black 50 g Buckle 250 x 45 x 11 mm (H x W x D) Water resistant (IP68) Universal Up to 3 hours Yes Bluetooth 4.2 - Flashlight- Stop watch Silicone Magnetic charger 2 years

Portable speaker No BOSE Black No 600 g No Bose Connect app Bluetooth 4.2 90 x 201 x 52 mm (H x W x D) Waterproof & dustproof (IP67) Up to 12 hours Lithium-ion battery - Android- iOS 2 years

Portable speaker No JBL Black No 520 g No 1.0 Bluetooth 5.1 65 - 20,000 Hz 8 Ohms Passive bass radiator x 2 68 x 175 x 27 mm (H x W x D) Up to 10 hours 20 W Racetrack driver: 44 x 80 mm Battery Up to 2 speakers 20 W AAC, MP3, WAV 2 years Yes

Yes 45 mm Rectangular APPLE 39 g Pin-and-tuck closure Apple app store 45 x 38 x 10.7 mm (H x W x D) Water resistant (up to 50 m) Yes - WiFi 4- Bluetooth 5.3 Yes iOS Rubber Siri watchOS 10 1 year

Portable speaker No JBL Black 10.84 kg 3.5 mm jack x 1 JBL Partybox app 2.0 Bluetooth 5.1 45 - 20,000 Hz 6 Ohms 568 x 295 x 300 mm (H x W x D) Splash resistant (IPX 4) Up to 12 hours 160 W (80 W + 80 W) USB x 1 - iOS- Android 36 Wh Bass Boost (2 modes) - MP3- AAC Yes 2 years Yes

Traditional Hi-Fi system PANASONIC Silver 2.2 kg 3.5 mm jack x 1 5 2.0 Bluetooth 4.3 Yes RMS: 80 W (40 W + 40 W) - 6 cm tweeter- 10 cm woofer Mains Up to 8 speakers USB Type-A x 1 - Bass boost- Treble boost MP3 1 year Yes

Megasound speaker SAMSUNG Black 24.8 kg RCA x 2 2.0 Bluetooth 5.0 Yes 858 x 424 x 383 mm (H x W x D) Water resistant (IPX5) 1700 W Mains Up to 10 speakers 900 W Full LED party lights USB 2.0 x 2 Bass boost Yes 1 year Yes

Megasound Hi-Fi system No FM 87.5 - 108 MHz PANASONIC Black Aux-in x 1 18 kg Mic jack 6.3 mm x 2 Local preset EQ Panasonic MAX Juke app 2.0 2 channel digital bi-amp Bluetooth 2.1 Yes 1 - 100 Hz 75 Ohms 20 cm super woofer 4 GB Yes 2000 W Mains MAX DJ Effect - D.Bass- D.Bass Beat Illumination button USB 2.0 x 2 - iOS- Android 3 settings CD-DA, MP3 Yes 1 year Yes

Portable speaker No SONY Lemon yellow 253 g Stereo mode Sony Music Center app 1.0 Bluetooth 4.2 20 - 20,000 Hz 4 Ohms Waterproof & dustproof (IP67) Up to 16 hours 46 mm mono speaker Rechargeable battery Up to 2 speakers - iOS- Android Extra bass AAC, SBC 1 year Yes

Portable speaker ULTIMATE Black 620 g Ultimate Ears 2.0 Bluetooth 4.0 20 - 20,000 Hz 16 Ohms 118 x 115 x 132 mm (H x W x D) Up to 14 hours 40 mm active drivers x 2 Up to 2 WONDERBOOM 3 speakers - iOS- Android 360-degree sound 2 years Yes

Portable speaker JBL Blue No 2.1 kg Yes (via app) JBL Portable app 2.0 Bluetooth 5.3 44 - 20,000 Hz 8 Ohms Passive bass radiator x 2 148 x 297 x 141 mm (H x W x D) Up to 24 hours 100 W Rechargeable battery 100+ speakers - iOS- Android Yes (via app) Auracast Standby: 0.5 W AAC, MP3, WAV Yes 2 years Yes Yes

Yes Portable speaker JVC Blue 517 g 2.0 Bluetooth 5.0 80 - 16,000 Hz 4 Ohms Passive bass radiators x 2 198 x 81 x 79 mm (H x W x D) Water-resistant (IPX6) Up to 8 hours 10 W (5 W + 5 W) 50 mm drivers Rechargeable battery 81.6 db 1 year Yes