Specifications:

Model: E2042 Onyx Pure

Type: earbud (In-ear)

Microphone type: Built-In

Bluetooth version: 5.3 

Wireless profile: HFP/HSP/AVRCP/A2DP: 

Audio codec: AAC, SBC 

Transmission distance: Up to 10 meters / 33 feet 

Driver: Hybrid dual-driver (Dynamic driver, Balanced Armature) 

Frequency range: 20-20KHz

Playtime: Earbuds - 7 hours on a single charge  (60% Volume); With charging case: Up to 32 hours of playtime (60% Volume)

Battery: Earbuds: 40mAh; Charging case: 400 mAh 

Charging time: Earbuds: 1.5 hours; Charging case: 2 hours

Other features: Hall switch, 3 EQ modes, One-key recovery, Built-in microphone, Touch control

Features:

 - Lightweight & portable

 - Pocket-friendly size with 4.5g only

 - Easy & convenient

 - Quick access to all functions

 - HiFi audio, immersive listening

 - Enjoy live concerts as you Like

 - Advanced hybrid dual drivers ultimate listening

 - Powerful bass, Pure audio, 9D stereo, 4xSound quality

 - Music along with you

 - Aware of battery low, hassle-free about running out

 - 3EQ modes for various styles

What's in the box:

1 x Onyx Pure hybrid dual-driver earbuds

2 x Extra Pairs of ear tips

1 x Charging cable

1 x Warranty card

1 x User manual