BSWLMDD F9 Earbuds

Touch does the heavy lifting between sets. Tap to play or pause. Tap to pick up a call. Change the volume from the bud itself instead of unlocking a phone with chalky hands.

• Bluetooth 5.3: a newer radio than the 5.0 chips in many older F9-5 pairs, rated to about 33 feet.
• LED percentage: the case tells you what is left as a number, so there is no guessing at the door.
• IP5 label: BSWLMDD rates the buds against sweat and rain for workouts and runs.
• Dynamic drivers: tuned for deep bass across 20Hz to 20kHz.
• Call mic: built to block out ambient noise, which matters next to a clanging rack.

The buds are compact and light, made to sit in the ear through a long session. No ear hooks here. Fit comes down to the silicone tips, so try each size until one seals without pressure.

A good seal does two jobs at once. It delivers the bass the drivers are tuned for, and it keeps the bud planted on the treadmill. A loose tip leaks both sound and grip.

Colour is black on black, buds and case. Nothing flashy. It disappears in a kit bag and next to a laptop at work.

Keep the phone part realistic. After conversion losses, 1,200mAh adds a slice to a modern phone, not a full tank. That slice is the gap between a black screen and enough juice to call a ride or open a train ticket.

Those numbers come from BSWLMDD. The brand's own product copy also quotes the case at over 24 hours of extra listening, lower than the 48-hour headline. Count on the lower figure and the case never catches you out.

Loud playback, long calls and cold mornings all trim runtime. An hour of music at gym volume drains more than an hour of podcasts on a quiet walk.

• Drop the buds back after every session; the case refills them automatically.
• Top the case up when the digits fall to about a third before a trip.
• Save the phone top-up for real emergencies: every mAh spent there is bud time gone.
• Give the case a full first charge so the percentage reads true.

Plug the case in the night before a long weekend. You leave with the full 1,200mAh on board and two topped-up buds.

Charging routines, cable tips and what the digits mean when they blink live in the F9 charging walkthrough. The same habits work for every F9 case, big or small.

1. Top up the case until its display reads full.
2. Pull both buds together; they pair with each other before the phone sees them.
3. Switch on the phone's Bluetooth and choose the F9 entry.
4. Pop the buds in and press play. Next time, opening the lid is usually enough to reconnect.

The pair speaks standard Bluetooth audio, so iPhones, Android phones, Windows laptops and tablets all pair with it. No app. No account. Controls live on the touch panels, and the full tap map sits in the F9 touch-control manual.

Hiccups have quick fixes. If one bud stays silent or the pair shows up as two names, a reset clears it; the button holds are in the F9 reset steps. If the phone never sees them, run through pairing F9 earbuds for iPhone and Android.

BSWLMDD rates the audio delay at 50 milliseconds. Videos stay in sync and casual games feel fine. Competitive players chasing every frame may still pick up a tiny lag.

• Phones: iPhone and Android.
• Computers: Windows laptops for calls and video.
• Tablets: iPad and Android tablets for the bike trainer or the flight.

Moving the buds to a new phone? Forget them on the old one first, or they jump straight back to it the moment the lid opens.

Range sits around 33 feet with a clear line. Leave the phone on the bench across the room and the music keeps going. Put a wall and a crowd between you and it, and the signal drops first.

• Rain and river paths: the DCBCODGAL CF9 carries IPX7, so a full soaking on the river path is covered.
• Front-pocket carry: the Volt Plus Tech F9 Mini swaps the battery case for a thin travel shell.
• A bigger phone backup: the Volt Plus Tech F9 with 2,000mAh case has more to share.

Check three things before you buy. First, the water label. IP5 is not a full IEC code, since those read IPX5 or IP5X, so treat it as sweat-and-rain protection and never as a rinse-under-the-tap rating.

Second, fit. With no hooks, the tips do all the holding, and ears differ. If buds tend to work loose on you during burpees, an ear-hook design is the safer route.

Volume on the bud is the detail that earns its keep. A roaring treadmill, then a quiet cool-down stretch, and you adjust both without digging for the phone.

Third, case size. At 1.5 inches tall it slips into a jacket, yet it is not the slimmest F9 around. Jeans-pocket people should look at the Mini.

For everyone else, the BSWLMDD F9 is the straightforward gym pick. Bluetooth 5.3, readable digits, touch volume and a case that can bail out a phone. Line it up against the other F9 families in the F9 version comparison, or check what each band costs on the F9 price breakdown.