1. Suitable for most 2.5mm interface headphones: suitable for BOSE OE2 / AE2 / QC25 / QC35 / AKG / K490 / K545 / Y40 / Y50 / Y45 / LIVE2 and other headphones
2. The overall workmanship is more rounded, this cable can make your earphones instantly become wireless earphones
3. Using the AB1512 chip of Bluetooth Airoha
4. High-quality audio transmission, transmission rate: A2DP transmission protocol 768kbps
5. Bluetooth specification: Bluetooth 4.1
6. Power amplifier output power: RMS 18MW
7. Power amplifier signal-to-noise ratio: greater than or equal to 95dB
8. Playing time: 6-10 hours
9. Charging time: 1-2 hours
10. Wire core material: bare copper wire
11. Wire material: oxygen-free copper
12. Weight: about 30g

Bluetooth connection method:
- The mobile phone turns on the bluetooth to search for the device in progress...
- When the Bluetooth headset is turned off, press and hold the switch button until the Bluetooth red and blue lights flash alternately, so that the phone can search for the BTH Headset and click to connect
- Note: Only when the red and blue lights are flashing, the mobile phone can search for Bluetooth devices