Technical Specification of OnePlus Nord Buds 2R TWS Earbuds 

• Product name: OnePlus Nord Buds 2R TWS 
• Colors: Deep Grey
• Bluetooth version: 5.3
• Charge Input: Type-C
• Connection range: 10m
• Water resistance rating: IP55

Weight:

• Earbuds:4.3 g (±0.2 g)
• Charging case: 38.1 g (±1 g)

Audio Drivers
1.24cm dynamic drivers
Titanized vibrating diaphragm

Driver sensitivity
111 dB ± 3 dB @ 1 kHz 179mV

Frequency response
20 Hz - 20,000 Hz
Microphones: 4 (2 per earbud)

Dimensions

• Earbuds: 28.5*20.2*23mm
• Charging case: 68.9*36.6*28.2mm

Battery

Playtime (when fully charged)

• 8H of Playback on one charge
• 38H of playback with charging case

Theoretical talk time

• 4H of Call on one charge
• 20H of Call with charging case

Battery capability

• Per earbud: 36 mAh
• Charging case: 480 mAh

• 10 mins for 5 hours (accusing case + earbuds combined)
• Wired charging time: 60 mins (earbuds) / 90 mins (earbuds + charging case)