1.83' LCD Square REFLEX 38 g Buckle Heart rate monitor (HRM) 255 x 39 x 11 mm (H x W x D) Water resistant (IP67) Universal Up to 3 hours Yes Bluetooth 5.2 - Calculator- Games- Stopwatch Silicone Magnetic charger 2 years

Speaker No MARSHALL Black - 3.5 mm jack- RCA cable 8.5 kg No In-app EQ and presets Marshall Bluetooth app 2.0 Bluetooth 5.0 30 - 20,000 Hz 308 x 400 x 200 mm (H x W x D) 130 W Mains Up to 2 speakers - iOS- Android 101 dB 2 years Yes

Portable speaker ULTIMATE Black 2.41 kg Boom app 2.0 Bluetooth 4.0 120 mm passive bass radiator 281 x 203 x 154 mm (H x W x D) - Customise EQ- Megaphone mode Up to 17 hours 45 mm active transducers x 2 - iOS- Android Adaptive EQ 360-degree sound 2 years Yes

Portable speaker ROBERTS Black Aux-in x 1 722 g No 1.0 Bluetooth 5.0 Passive bass radiator 190 x 94 x 94 mm (H x W x D) Up to 12 hours 45 mm neodymium loudspeaker - Mains- Battery 2 years Yes

Yes 49 mm Rectangular APPLE 61 g G-hook closure Yes (service plan required) Apple app store 49 x 44 x 14.4 mm (H x W x D) Yes - WiFi 4- Bluetooth 5.3 Yes iOS Siri watchOS 10 1 year

Megasound speaker SONY Black 11.2 kg S-master amplifier Bluetooth 5.2 20 - 20,000 Hz 564 x 269 x 294 mm (H x W x D) Lighting and sound control Up to 25 hours Yes Rechargeable battery Up to 100 speakers Ambient light USB A - iOS- Android MP3, WAV, WMA 1 year Yes

No USB x 1 Yes - DAB- FM JVC Black 3.5 mm jack x 1 3.36 kg No Dial Yes Bluetooth 2.1 + EDR 100 - 10,000 kHz 6 Ohms per speaker 245 x 180 x 162 mm (H x W x D) Yes 4.7 kg Mains 10 W RMS (5 W + 5 W) 290 x 185 x 553 mm (H x W x D) Yes Yes 128 x 125 x 225 mm (H x W x D) CD-R, CD-RW 3.5 mm jack 70 dB 17.52 kWh 12 W 0.4 W Yes 1 year 55 dB

Portable speaker No JBL Black Aux-in x 1 6.7 kg JBL Partybox App 2.1 Bluetooth 5.3 40 - 20,000 Hz 8 Ohms 89 mm x 114 mm subwoofer 200 x 483 x 257 mm (H x W x D) Waterproof & dustproof (IP67) Up to 24 hours - Mains- Rechargeable battery PartyBoost Up to 100+ speakers - iOS- Android On-mode: 43 W AAC, MP3, WAV Yes 2 years Yes

Portable speaker No BOSE Black No 0.29 kg No Bose Connect App 1.0 Bluetooth 4.2 Multi-connect Up to 6 hours Rechargeable battery Up to 2 speakers - iOS- Android 2 years

Portable speaker No BOSE White smoke No 0.29 kg No Bose Connect App 1.0 Bluetooth 4.2 - Waterproof- Dustproof Multi-connect Up to 6 hours Rechargeable battery Up to 2 speakers - iOS- Android 2 years Yes 1