i7 Bluetooth HeadphoneModel : i7Bluetooth: V4.1+EDRBattery: 3.7V/60mAh (Rechargeable)Wireless Distance: 5-8 MInput: DC 5VProduct Size: 5x2.5x1cmAvailable Colors: BlackNote : NO RETURN Applicable if The Seal is Broken..
Lenovo HD100 Wireless Bluetooth Headphone With MicBluetooth 5.0 chip, 10m barrier-free connectionErgonomic head wear, skin-friendly ear cover, cushion the pain of long-time wearing40mm large dynamic speaker, professional tuner tuning, surround soundSuper long service time: 20 hours of playback time,..