# E7 Active Noise Cancelling Bluetooth Over-ear Headphones

**Doorprice Score 7.2/10** (Good; likely 6.1–8.4, low confidence).
Price: $49.99 at Cowinaudio (with est. tax $53.59; shipping set at checkout). Store rating 4.7/5 from 22574 ratings.

## What matters for headphones (out of 10)
- Sound: not enough reviews yet
- Noise cancelling: not enough reviews yet
- Comfort: not enough reviews yet
- Battery: not enough reviews yet
- Calls & connection: not enough reviews yet
- Reliability: not enough reviews yet
- Value for money: 7.5 (price against similar products)

Weight these for a personal score: add ?priorities=sound:2,anc:2 (ids: sound, anc, comfort, battery, calls, reliability, value).

## Specs
- Driver Size: 40 mm
- Battery Capacity: 600 mAh (rechargeable)
- Battery Life: Up to 30 hours
- Connectivity: Bluetooth 5.0, NFC, 3.5 mm wired
- Microphone: Built-in
- Headphone Style: Closed-back, over-ear

Buy: https://www.cowinaudio.com/cart/7766138191923:1?_gsid=VmLyhZ8iewoY&utm_source=shopify&utm_medium=catalog