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

No In-ear GOJI Black 40 g Internal Lithium-ion Bluetooth 5.1 16 Ohms Yes Dynamic drivers 94 dB Up to 14 hours 2 hours Yes Yes Closed USB 10 mm 20 - 20,000 Hz In-line 10 mW - iOS- Android No No Silicone 10 m - Siri- Google Assistant 1 year Yes

Gold-plated 3.5 mm jack On-ear GOJI Black 170 g Internal Lithium-ion Bluetooth 4.0 32 Ohms Yes 107 dB Up to 8 hours 1.2 m 2.5 hours Tiltable earcups Yes Closed USB Yes 40 mm 20 - 20,000 Hz Yes Earcup 5 mW All smartphones No No PU 10 m Yes