- Hign-concerned Chemical: None
- Material: Metal
- Voice assistant built-in: Yes
- Maximum wireless range[m]: 40m-50m
- Sound Isolating: Yes
- Category: Earphones & Headphones
- Earcups Type: Sealed
- Charging Method: Charging case
- Headphone Pads Material: Silicone
- Magnet Type: Neodymium
- Impedance Range: up to 32 Ω
- Bluetooth Version: 5.3
- Package List: User Manual,Charging case,Lightning Adapter,USB Type-C Adapter
- Features: Waterproof,With microphone,Apple Siri Support,Active Noice Cancelling,Dual Connection,Playback Control
- Codecs: AAC
- With Microphone: Yes
- Is wireless: Yes
- Support APP: No
- Waterproof: Yes
- Plug Type: None
- Function: for Video Game,Common Headphone,For Mobile Phone,for Powersports,HiFi Headphone,Sport
- Active Noise-Cancellation: Yes
- Volume Control: Yes
- Control Button: Yes
- Vocalism Principle: Balanced Armature
- Wireless Type: Bluetooth
- Connectors: Type c
- Communication: Wired
- Style: Wired in-ear headphones
- Certification: CE
- Origin: CN (Origin)
- Brand Name: CHENGTUO
- Support Memory Card: No
- color: a9pro white, a9pro black
- Support customization: support
- Bluetooth protocol: 5.4
- Transmission range: 10 m
- Chip type: Zhongke Lanxun
- Has licensable private label: no
- Main downstream platforms: ebay, Amazon, wish, AliExpress, independent station, LAZADA
- Waterproof performance: IPX4
- Battery life: 4-8 hours
- Material: PC ABS
- Usage: Earbuds
- Mold type: male model
- style: minimalism
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