(BlueTooth!) Ovleng A108 Business & Sports Bluetooth Earphone

Ovleng A108 Business & Sports Bluetooth Earphone Brand: OVLENG Model: A108 Color:black Type: Bluetooth V4.2 Wireless Transmission radius:10m Channel:1 Frequency response range: 20 Function: Support Music Waterproof performance:IPX3 Brand: OVLENG Model: A108 Color:black Type: Bluetooth V4.2 Wireless Transmission radius:10m Channel:1 Frequency response range: 20 Function: Support Music Waterproof performance:IPX3 Whether Single-ear: single-sided speakerphone Headphone type: in-ear headphones Plug diameter: wireless With microphone: Yes Whether wireless headphones: wireless headphones Uses: Bluetooth headset, MP3 headset, mobile phone headset, voice headset, music headset, monitor headset, wireless headset, ordinary headset Sensitivity: 3 Distortion rate: 2 Headphone output source: universal Plug type: Bluetooth Impedance: 32 charging Time: 40 mins Talking time: 8 hours music time: 4 hours Weight: 4g Earphone size: 2.5cm x 2.5cm Sound principle: dynamic circle Wearing method: in-ear