Skull-IQ No In-ear SKULLCANDY True black 49.3 g Internal Lithium-polymer Bluetooth 5.2 16 Ohms Yes Neodymium drivers 100 dB Yes Yes Closed 6 mm - Android- iOS 20 - 20,000 Hz Earbud 8 mW - Android- iOS No Yes Silicone 10 m 1 year Yes

Headphones Connect app No On-ear SONY Beige 147 g Internal Lithium-ion Bluetooth 5.2 Yes Up to 50 hours 3 hours Fold-flat earcups Yes Closed USB Type-C 30 mm - Android- iOS 20 - 20,000 Hz Earcup - Android- iOS No Yes Leather 10 m - Google Assistant- Siri 1 year Yes

3.5 mm jack On-ear MARSHALL Brown 176.7 g Internal Lithium-ion Yes Bluetooth 5.0 32 Ohms Yes Splash proof Dynamic 99 dB Up to 80 hours 3 hours Fold-flat earcups Yes Closed Yes 40 mm Marshall Bluetooth App 20 - 20,000 Hz Yes On-earcup All smartphones No No PU leather and foam 10 m 2 years Yes

Sony Headphones Connect app Yes No In-ear SONY Black Internal Lithium-ion Bluetooth 5.0 Yes Neodymium drivers 2.5 hours Yes Yes Closed USB Type-C via charging case 5.8 mm - Android- iOS 20 - 20,000 Hz Earbud - Android- iOS No No Hybrid silicone rubber 10 m - Google Assistant- Siri 1 year Yes

3.5 mm jack On-ear BEATS Black 215 g Internal Yes Class 1 Bluetooth Yes Up to 40 hours Yes USB Earcup All smartphones No Yes Siri 1 year Yes

Sennheiser Smart Control app No In-ear SENNHEISER Black 55 g Internal Lithium-ion Bluetooth 5.2 Yes 110 dB 1.5 hours Yes Yes Both with ear adapters 7 mm - iOS- Android 5 - 21,000 Hz Earbud Yes - Android- iOS No Yes Silicone 10 m - Google Assistant- Siri 2 years Yes Yes

No In-ear GOJI Pink 48 g Internal Lithium-ion No Bluetooth 5.3 32 Ohms Yes Dynamic driver 110 dB 1.5 hours No Yes Yes Closed 20 - 20,000 Hz Earbud 3-5 mW Yes No Yes Silicone 10 m - Google Assistant- Siri 1 year Yes

L-shaped 3.5 mm jack On-ear GOJI Blue 109 g Internal Lithium-ion Bluetooth 4.1 32 Ohms Yes Anisotropic drivers 85 dB Up to 10 hours 0.8 m 2.5 hours Tiltable earcups Yes Yes Closed USB Yes 30 mm 20 - 20,000 Hz Yes Earcup 5 mW All smartphones No No 10 m 1 year No

Headphones Connect app No On-ear SONY Blue 147 g Internal Lithium-ion Bluetooth 5.2 Yes Up to 50 hours 3 hours Fold-flat earcups Yes Closed USB Type-C 30 mm - Android- iOS 20 - 20,000 Hz Earcup - Android- iOS No Yes Leather 10 m - Google Assistant- Siri 1 year Yes

Bose Music app No In-ear BOSE Black 60 g Internal Lithium-ion Bluetooth 5.3 Yes 0.31 m 1 hour Yes Yes - Android- iOS - Android- iOS No No 9.14 m 2 years Yes No

Sony Headphones Connect app Yes No In-ear SONY Green Internal Lithium-ion Bluetooth 5.0 Yes Neodymium drivers 2.5 hours Yes Yes Closed USB Type-C via charging case 5.8 mm - Android- iOS 20 - 20,000 Hz Earbud - Android- iOS No No Hybrid silicone rubber 10 m - Google Assistant- Siri 1 year Yes

No In-ear GOJI Blue 48 g Internal Lithium-ion No Bluetooth 5.3 32 Ohms Yes Dynamic driver 110 dB 1.5 hours No Yes Yes Closed 20 - 20,000 Hz Earbud 3-5 mW Yes No Yes Silicone 10 m - Google Assistant- Siri 1 year Yes