Speakers

DELL SB725. RMS rated power: 3.6 W, Sound pressure level: 90 dB. Soundbar speaker RMS power: 3.6 W. Product colour: Black, Volume control: Buttons, Operating temperature (T-T): 0 - 40 °C. Connectivity technology: Wired. Width: 298 mm, Depth: 34.5 mm, Height: 40 mm

Lenovo 4XD1J05151. Audio output channels: 2.0 channels, RMS rated power: 4 W, Front speaker sensitivity: 85 dB. Soundbar speaker RMS power: 4 W, Impedance: 4 Ω, Signal-to-Noise Ratio (SNR): 64 dB. Product colour: Black, Operating temperature (T-T): -5 - 40 °C, Operating relative humidity (H-H): 0 - 90%. Connectivity technology: Wired. Width: 256.4 mm, Depth: 34.5 mm, Height: 152 mm

Lenovo 4Y71Q47766. Device type: PC, Product colour: Black, Cable length: 2 m. Sensitivity: 81 dB, Frequency range: 20 - 20000 Hz, Impedance: 3 Ω. Microphone frequency: 150 - 7000 Hz. Interface: Bluetooth, Connectivity technology: Wired & Wireless, USB connector type: USB Type-C. Power source type: Battery, Battery life (max): 12 h, Battery recharge time: 4 h

Philips TAR4600/10, Digital alarm clock, Square, Black, 12/24h, DAB, DAB+, FM, 87.5 - 108 MHz

Poly Sync 20-M Speakerphone USB-C/A Adapter. Device type: PC, Product colour: Black, Cable length: 0.715 m. Connectivity technology: Wireless, Bluetooth profiles: A2DP, AVRCP, HFP, HSP, USB connector type: Micro-USB A, USB Type-C. Power source type: Battery, Battery technology: Lithium-Ion (Li-Ion), Talk time: 20 h. Width: 34 mm, Depth: 95 mm, Height: 182 mm. Package width: 188 mm, Package depth: 60 mm, Package height: 211 mm