$ 11.30 | B9 Bluetooth headset digital display binaural Bluetooth headset sports Bluetooth headset b5 Bluetooth headset cross-border factory

B9 Bluetooth headset digital display binaural Bluetooth headset sports Bluetooth headset b5 Bluetooth headset cross-border factory

Transmission range: 10 meters
Function: call function
Function: Voice control
Function: support music
Bluetooth protocol:5.0
Usage: earplug type
Whether single and binaural: bilateral stereo
Support customization: support
Type: Bluetooth headset
Mold type: private mold
Chip type: Zhongke Lanxun
Battery life: 4-8 hours
Style: creative design
Waterproof performance: daily waterproof
Style: flip cover/pull-out/metal shell/digital display
Attributes: Bluetooth headphones/wireless headphones/true wireless headphones/wireless Bluetooth headphones/sports outdoor headphones
Material: plastic + aluminum alloy