Hoco DM37 Sky Sports BT Headset Black

1. Bluetooth: V5.3 JL7006 2. Battery capacity:380mah Charging time:4 hours 3. Talking/music: about 40 hours 4. Standby time:about 500 hours 5. Speaker:14.2mm 6. Length: 80cm Weight: 41g 7. digital display headset remaining power, support card ion